Guides
Sunshine, explained gently
Short, citable answers about UV, skin type, daylight, and Basky — written so a person or an answer engine can quote them without guessing. General wellness guidance, not medical advice.
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How Basky works
The app, plainly explained.
Optional syncApple Health and Time in DaylightBasky can optionally write Time in Daylight to Apple Health — a factual duration of outdoor time you choose to save. The connection is write-only: Basky never r…Keep reading →Optional unlockBasky ForeverBasky Forever is an optional one-time App Store unlock for the Sunshine Pack of pixel skins and future cosmetic extras. It never gates live UV, the safe-sun tim…Keep reading →Core featureDaylight streakA daylight streak in Basky is consecutive days you met a gentle outdoor goal: finishing a bask inside your safe-sun window or checking in that you got some dayl…Keep reading →Skin, personalizedFitzpatrick skin type, sized into a safe-sun windowBasky is the warm Fitzpatrick skin type app experience: choose how your skin usually handles sun (types I–VI), combine it with today’s live UV, and get a conser…Keep reading →Product tourHow Basky worksBasky reads today’s live UV (Open-Meteo when location is allowed), combines it with your Fitzpatrick skin type, and returns a conservative safe-sun window of ab…Keep reading →PrivacyPrivate sun appBasky is built as a private sun app: no account wall, no ads, no behavioral tracking. Location is optional and used only for an Open-Meteo UV lookup. History st…Keep reading →Core featureSafe sun timerBasky’s safe sun timer turns your Fitzpatrick skin type and today’s live UV into a personal window of minutes — aimed at about 60% of a minimal erythemal dose a…Keep reading →Core featureSunshine CirclesSunshine Circles are Basky’s optional private groups for cheering daylight together. Members see a first name you choose and a simple caught-the-sun signal — no…Keep reading →Core featureUV index appBasky is a UV index app that shows today’s live ultraviolet where you are (Open-Meteo when location is allowed), labels it in plain language, and turns it into …Keep reading →Core featureVitamin D estimateBasky’s vitamin D estimate is a friendly conservative figure that can climb while you bask inside your safe-sun window. It is capped with the same dose guardrai…Keep reading →
UV, explained
What those sky numbers actually mean.
UV explainedAltitude and UVUltraviolet at the surface generally increases with altitude because the atmosphere above you is thinner. Hiking and ski days can combine stronger UV with snow …Keep reading →UV explainedBest time of day for sun?“Best time for sun” depends on the goal. Peak erythemally weighted UV usually arrives late morning to early afternoon — useful for a short Basky bask, with a sh…Keep reading →UV explainedClouds and UVClouds change ultraviolet, but they are not a reliable off switch. Thin or broken cloud can still transmit a high UV index, and bright overcast can surprise fai…Keep reading →UV explainedHigh UV index — what to do (gently)A high UV index means erythemally weighted ultraviolet is strong, so unprotected skin can reach a burn dose faster. Basky’s response is a shorter conservative w…Keep reading →UV explainedLow UV still countsA low UV index (WHO 0–2) means erythemally weighted ultraviolet is gentle — sometimes too low for a baskable window. That does not make daylight worthless. Bask…Keep reading →UV explainedReflection, snow, and water — UV’s bounceBright surfaces reflect ultraviolet — an effect often called albedo. Fresh snow is a strong reflector; pale sand and water also bounce UV toward skin from below…Keep reading →UV explainedShade and UVShade reduces ultraviolet by blocking the direct solar beam, but scattered sky UV and reflections can still reach you in open shade. Basky sizes a conservative …Keep reading →UV explainedThe UV index scale, band by bandThe UV index scale is an international 0–11+ ladder of erythemally weighted ultraviolet. WHO bands group it into Low (0–2), Moderate (3–5), High (6–7), Very Hig…Keep reading →UV explainedUV forecast explainedA UV forecast predicts how erythemally weighted ultraviolet may evolve through the day; live UV is the best available reading for your location right now. Basky…Keep reading →UV explainedUV index by hour — the day’s natural curveUV typically climbs from morning, peaks around late morning to early afternoon at mid-latitudes, then declines toward evening. Basky may hint at “best light aro…Keep reading →UV explainedUVA vs UVB, without the lab coatUltraviolet includes UVA and UVB. UVB is more strongly tied to skin reddening (erythema) and to how Basky frames a friendly vitamin D estimate. The UV index is …Keep reading →UV explainedWhat is the UV index?The UV index is an international 0–11+ scale of erythemally weighted ultraviolet — the kind that reddens skin. It is not a heat index. Basky reads today's live …Keep reading →
Your skin, your window
Safe sun that starts with you.
Safe sunClothing and vitamin DClothing protects skin and can change how Basky sketches a vitamin D encouragement number. It does not lengthen the safe-sun window. That window still comes fro…Keep reading →Your skinFitzpatrick scale explainedThe Fitzpatrick scale describes six skin types by how they tend to burn or deepen in color under sun — not a ranking of “better” skin. Basky asks a beach-day qu…Keep reading →Safe sunHow long can I stay in the sun?“How many minutes in the sun?” depends on today’s UV index and your Fitzpatrick skin type. Basky’s answer is a conservative window: safeMinutes ≈ 0.40 × MED ÷ U…Keep reading →Your skinSafe sun for Fitzpatrick Type IFitzpatrick Type I tends to burn very easily and rarely deepens in color. Basky uses a conservative MED input (200 J/m²) and a ~60%-of-MED heuristic so Type I w…Keep reading →Your skinSafe sun for Fitzpatrick Type IIFitzpatrick Type II tends to burn easily and deepen only a little. Basky uses a MED input of 250 J/m² and a ~60%-of-MED heuristic so Type II windows stay conser…Keep reading →Your skinSafe sun for Fitzpatrick Type IIIFitzpatrick Type III sometimes burns and deepens gradually. Basky uses a MED input of 350 J/m². At UV 5, the conservative estimate is about 28–29 minutes — a ma…Keep reading →Your skinSafe sun for Fitzpatrick Type IVFitzpatrick Type IV burns less often and deepens readily. Basky uses a MED input of 450 J/m² so windows run longer than Types I–III at the same UV — still clamp…Keep reading →Your skinSafe sun for Fitzpatrick Type VFitzpatrick Type V rarely burns and deepens easily. Basky’s MED input is 600 J/m², so windows run longer at the same UV — still estimated conservatively (~60% o…Keep reading →Your skinSafe sun for Fitzpatrick Type VIFitzpatrick Type VI is deeply melanated and burns infrequently. Basky’s MED input is 1000 J/m², so windows are the longest at a given UV — still estimated conse…Keep reading →Your skinSensitive skin and sunIf your skin reacts easily to sun, Basky’s advice is extra caution — shorter trust in any estimate, more shade and covering, and a dermatologist for real concer…Keep reading →Safe sunSunburn vs safe sunSunburn is reddening and injury from too much UV. Safe sun, in Basky’s sense, is a short wellness visit sized below a burn-dose idea. Basky never treats pink sk…Keep reading →Safe sunSunscreen and a sun timerA sun timer answers “about how many minutes?” Sunscreen answers “how do I protect exposed skin while I’m out?” Basky requires both ideas: the window is a conser…Keep reading →
Daylight & vitamin D
Gentle light habits, honestly framed.
Daylight wellnessA morning sunlight habit that actually sticksMorning outdoor light is one of the simplest wellness habits: step outside early, let your eyes meet the day, keep it short and kind. Basky treats it as a ritua…Keep reading →Daylight wellnessA winter daylight habit that forgives the skyWinter shrinks the day and often weakens UVB, especially at higher latitudes. Basky’s winter stance is gentle: get outside when you can, use a safe window if on…Keep reading →Daylight wellnessCircadian rhythm and daylightYour internal clock listens hard to bright outdoor light, especially near the start of your day. Basky treats daylight as a gentle circadian cue and a safe-sun …Keep reading →Daylight wellnessCloudy day daylight still countsClouds change UV, mood, and motivation — they do not erase the value of stepping outside. Basky reads the forecast rather than trusting how bright it looks, off…Keep reading →Daylight wellnessEvening outdoor time still countsAfter-work walks and dusk porch time are real outdoor life — even when ultraviolet has faded. Basky lets evening outdoor time count as a daylight check-in for y…Keep reading →Daylight wellnessHow much sun do you need for vitamin D?No honest app can give one number of minutes that works for every body, season, and sky. Basky refuses that shortcut. It sizes a safe-sun window to you and UV, …Keep reading →Daylight wellnessLunch break sun without the burnoutLunch is often the most realistic daylight window in a workday — especially when mornings are packed and evenings go dark. Basky helps you take a short midday b…Keep reading →Daylight wellnessOffice daylight in a building that forgot the skyMost office light is not daylight. Basky’s office playbook is practical: steal short outdoor minutes at the edges of the day or at lunch, bask only inside a per…Keep reading →Daylight wellnessTime in Daylight and Apple HealthApple Health’s Time in Daylight category tracks how long you spent in daylight. Basky can write that duration when you opt in — and only that. It never reads He…Keep reading →Daylight wellnessVitamin D from sunlightSkin can make vitamin D when UVB reaches bare skin — and real synthesis varies with season, latitude, clothing, age, and biology. Basky shows a friendly, conser…Keep reading →
Habits that stick
Small outdoor rituals you'll actually keep.
Habits that stickHow to build a daily sun habitA daily sun habit is a short outdoor ritual sized to your skin and today’s UV — not a grind, not a tan quest. Basky’s loop is skin type → timer → safe-dose cap …Keep reading →Habits that stickHow to get more daylight indoorsIndoors, prioritize bright windows for mood and circadian support — but remember UV through glass is limited. Basky’s habit still prefers outdoor capped basks w…Keep reading →Habits that stickHow to keep a sun streakA Basky sun streak is a gentle chain of care — finished safe windows and cloudy daylight check-ins — not a dare to stay out longer. Skin type, timer, cap, rewar…Keep reading →Habits that stickHow to keep a weekend sun ritualA weekend sun ritual is slower on purpose: one capped Basky bask sized to your skin, then shade and leisure — or a daylight check-in if clouds win. Same loop as…Keep reading →Habits that stickHow to start baskingStarting to bask means one capped outdoor session sized to your skin and today’s UV — not a lifestyle overhaul. Follow Basky’s loop: skin type → start timer/rin…Keep reading →Habits that stickHow to take an outdoor microbreakAn outdoor microbreak is a tiny, repeatable step outside — sized by Basky’s safe-sun window when UV is up, or a daylight check-in when it is not. Skin type → ti…Keep reading →Habits that stickHow to track sun exposureTracking sun exposure should show capped safe sessions and honest cloudy days — not pressure to stay out longer. Basky records the ritual loop on your device: s…Keep reading →Habits that stickMorning sun reminder without the spamA morning sun reminder in Basky is a local notification on your iPhone — not a push server campaign. It cues you to open Today, then follow skin type → timer → …Keep reading →Habits that stickSun timer for iPhoneA sun timer for iPhone should size minutes to your skin and today’s UV, then stop you kindly. Basky’s basking timer and ring follow skin type → start → safe-dos…Keep reading →Habits that stickWhat is a daylight check-in?A daylight check-in is Basky’s honest tap for days when UV is resting but you still met the light. It keeps streaks kind, skips fake basks, and supports the rit…Keep reading →
Seasons & situations
Beach days, winter walks, lunch in the park.
Seasons & situationsAutumn daylight, without the mixed messagesFall days get shorter, yet a clear autumn noon can still hold meaningful UV. Basky reads live ultraviolet and your Fitzpatrick skin type so you get a conservati…Keep reading →Seasons & situationsBalcony sun, sized to a small skyBalconies make outdoor light reachable on busy days — and they can also trap you in reflective, high-UV boxes at noon. Basky reads live UV and your Fitzpatrick …Keep reading →Seasons & situationsBeach UV, with respect (not a tan agenda)At the beach, ultraviolet meets reflection from sand and water, so the day can outpace how cool the wind feels. Basky reads live UV and your Fitzpatrick skin ty…Keep reading →Seasons & situationsCommute daylight you can actually keepWalking, waiting, or biking to work already puts you under the sky. Basky helps you treat that contact as a daylight check-in when UV is low, and as a short per…Keep reading →Seasons & situationsGardening sun time that respects the clockGardening invites hours outdoors while ultraviolet quietly accumulates on necks, arms, and the tops of ears. Basky pairs live UV with your Fitzpatrick skin type…Keep reading →Seasons & situationsHiking UV — especially when the trail climbsOn the trail, hours add up and altitude can strengthen ultraviolet for the same forecast vibe. Basky uses live UV and your Fitzpatrick skin type to size a short…Keep reading →Seasons & situationsJanuary daylight, without forcing a baskIn January many latitudes see low UV for long stretches — and that is okay. Basky emphasizes a gentle daylight check-in when the sun is resting for basking, and…Keep reading →Seasons & situationsPark lunch UV, timed like you mean itLunch breaks often coincide with the day’s stronger ultraviolet hours. Basky reads live UV and your Fitzpatrick skin type so a park sandwich can include a short…Keep reading →Seasons & situationsRunning in the sun without treating UV as a coachRunning stacks minutes outdoors while wind and sweat mute comfort cues. Basky reads live UV and your Fitzpatrick skin type so any deliberate open-sky wellness d…Keep reading →Seasons & situationsSnow UV is real (cold is not a sunscreen)Fresh snow can reflect a large share of ultraviolet toward skin that thought winter was harmless. Basky reads live UV and your Fitzpatrick skin type so bright c…Keep reading →Seasons & situationsSummer sun without overdoing itMidsummer light can feel friendly while the UV index is already high. Basky reads today’s live UV, pairs it with your Fitzpatrick skin type, and offers a conser…Keep reading →Seasons & situationsThe spring UV surpriseIn spring the air often feels mild while the UV index has already climbed. Basky reads live UV where you are, pairs it with your Fitzpatrick skin type, and size…Keep reading →
Light, for real life
Remote work, shifts, school, dog walks.
Light, for real lifeCampus sun between classes, without the all-day lawn mythQuads, bus loops, and library steps already put students outdoors in scraps. Basky turns a few of those scraps into a personal safe-sun window from live UV and …Keep reading →Light, for real lifeDog-walk daylight: your loop, your minutesLeash loops already put you outside on days when nothing else does. Basky helps you notice a personal safe-sun window during the walk — sized to live UV and ski…Keep reading →Light, for real lifeNew to sun habits? Start smaller than you thinkIf intentional outdoor light is new, Basky keeps the on-ramp gentle: pick your skin type, read live UV, take a short personal window when the sky allows, and ch…Keep reading →Light, for real lifeNight shift daylight: when you can, not when influencers sayNight shifts invert the clock that daylight habits usually assume. Basky supports outdoor light when your wake life allows — plus honest check-ins — without pos…Keep reading →Light, for real lifeNurses, shifts, and daylight you can actually reachClinical shifts can hide the sky for twelve hours. Basky helps nurses use break-room doors, post-shift sidewalks, and off days for a personal safe-sun window — …Keep reading →Light, for real lifeOutdoor workers and UV: respect the dose you already getConstruction, delivery, landscaping, agriculture, and field roles already mean hours under the sky. Basky is a personal, conservative daylight companion — not a…Keep reading →Light, for real lifeParents’ outdoor time as your daylight, not a kids’ dose chartFamily outdoor time is often the only sky parents touch. Basky helps adults claim a short safe-sun window during parks, walks, and stoop sits — sized to your sk…Keep reading →Light, for real lifeRemote work daylight without leaving the whole day behindRemote work often trades a commute for four walls and a screen. Basky helps you claim a short, personal safe-sun window when UV allows — or a simple daylight ch…Keep reading →Light, for real lifeTeachers, recess, and a little daylight of your ownRecess, duty, and the walk between buildings are often a teacher’s only outdoor scraps. Basky sizes a brief safe-sun window to your skin type and live UV so tho…Keep reading →Light, for real lifeTravel UV: new clocks, stronger skies, still use live readingsTravel changes latitude, altitude, seasonality, and the clock on your phone. Basky sizes a safe-sun window from live UV where you are now — essential when desti…Keep reading →
Choose a sun app
What to look for — and how Basky fits.
Buying guideBest daylight habit app: cloudy days and gentle streaksA daylight habit app should work in gray weeks, not only on perfect UV days. Look for honest cloudy-day check-ins, streaks that forgive weather, a separate safe…Keep reading →Buying guideBest sun timer app: criteria for a safe daily windowA sun timer is only as good as the dose model behind it. Look for live UV, Fitzpatrick skin type, a hard safety cap, a cloudy-day habit that does not invent UV,…Keep reading →Buying guideBest UV index app for iPhone: what to look forThe “best” UV index app for iPhone is the one that turns today’s sky into a personal, capped window — not a raw number alone. Look for live UV, Fitzpatrick skin…Keep reading →Buying guideBest vitamin D sun app: estimates, caps, and honestyThe best vitamin D sun app is honest: it offers a friendly estimate from sun time, never a blood test, and it caps exposure with live UV and skin type. Look for…Keep reading →Buying guideCompare sun apps: a criteria checklist hubCompare sun apps by criteria, not hype: live UV, personal skin type, hard safety cap, cloudy-day daylight, no account, on-device history, Health write-only, fre…Keep reading →Buying guidePrivate wellness app for iPhone: a practical privacy checklistPrivate wellness on iPhone means no account by default, data on device, location used narrowly, Health write-only if at all, and no ad or analytics SDKs. Basky …Keep reading →Buying guideSun app with no subscription: what “free core” should meanA no-subscription sun app should keep live UV, personal skin type, the safety-capped timer, daylight habit, and history free forever. Optional paid unlocks shou…Keep reading →Buying guideSun exposure tracker for iOS: history without the shameA sun exposure tracker on iOS should log personal, safety-capped sessions — not push longer outdoor time. Look for live UV, skin type, kind cloudy-day habits, o…Keep reading →Buying guideUV app without an account: local-first sun toolsA UV app without an account can still offer live UV, a personal safe-sun window, a capped timer, and a daylight habit — all stored on your iPhone. Basky has no …Keep reading →
UV around the world
Typical skies, live windows.
City skiesUV index in AmsterdamAmsterdam’s North Sea–influenced skies often mean cloud and modest UV, while clear summer days can still reach moderate to high midday bands — amplified by wate…Keep reading →City skiesUV index in AtlantaAtlanta’s humid-subtropical setting means a long stretch of meaningful midday UV, strong clear summers in the parks, and winters that stay brighter than norther…Keep reading →City skiesUV index in AucklandAuckland follows southern seasons: strong UV in December–February summers and milder winters, with harbour glare and open volcanic cones adding exposure on clea…Keep reading →City skiesUV index in AustinAustin’s lower-mid latitude and long warm season mean many months of meaningful midday UV, with summers that shrink safe-sun windows on clear days and winters t…Keep reading →City skiesUV index in BarcelonaBarcelona’s Mediterranean latitude typically brings strong late-spring to early-autumn UV, often high or very high on clear middays, with beach and waterfront r…Keep reading →City skiesUV index in BerlinBerlin’s inland, mid-latitude setting brings dark winters with typically low UV and summers when clear spells can push midday ultraviolet into moderate–high ban…Keep reading →City skiesUV index in BostonBoston’s New England latitude brings a sharp contrast between strong clear-summer UV along the Charles and harbor and a low-sun winter of brief beams between br…Keep reading →City skiesUV index in Cape TownCape Town sits in the southern hemisphere, so December–February is peak summer UV territory — often high to extreme on clear days — while winters are milder. Mo…Keep reading →City skiesUV index in ChicagoChicago’s latitude brings a sharp season contrast: powerful clear-summer UV on the lakefront and a long stretch of low winter sun when daylight check-ins matter…Keep reading →City skiesUV index in DenverDenver’s Mile High altitude means stronger ultraviolet for a given sun angle, especially on clear days, with snow reflection adding face-level glare in winter a…Keep reading →City skiesUV index in DublinDublin’s Atlantic-influenced skies often keep UV modest, especially in winter, while clear summer days can still reach moderate bands around midday. Basky does …Keep reading →City skiesUV index in EdinburghEdinburgh’s northerly latitude brings long winter nights and typically low winter UV, while clear summer days can still deliver moderate ultraviolet around midd…Keep reading →City skiesUV index in HonoluluHonolulu’s tropical latitude keeps midday UV typically high year-round compared with mainland winters, with beach and ocean glare shrinking comfortable untimed …Keep reading →City skiesUV index in LisbonLisbon’s southerly European latitude typically means strong clear-sky UV from spring through early autumn — often high or very high at midday — with Atlantic ai…Keep reading →City skiesUV index in LondonLondon sits at a mid-latitude where winter UV is often low and summer UV can climb into moderate–high bands on clear days. Basky does not guess from the Tube ma…Keep reading →City skiesUV index in Los AngelesLos Angeles sits near 34°N with a classic coastal twist: cool marine-layer mornings that often burn off into a strong midday sun. Basky reads live UV where you …Keep reading →City skiesUV index in MadridMadrid’s elevation and dry inland summers typically mean higher peak UV than London or Berlin — often reaching high or very high bands on clear middays — while …Keep reading →City skiesUV index in MelbourneMelbourne’s ultraviolet follows the southern calendar — strong in summer, gentler in winter — while its changeable weather means the same afternoon can shift fr…Keep reading →City skiesUV index in Mexico CityMexico City’s high-plateau elevation means ultraviolet is often stronger than coastal cities at a similar latitude — with clear-season middays frequently reachi…Keep reading →City skiesUV index in MiamiMiami’s subtropical latitude keeps winter sun meaningfully stronger than in New York or Chicago, while summer middays are typically intense near water and open …Keep reading →City skiesUV index in MinneapolisMinneapolis swings hard with latitude: a harsh low-sun winter when daylight check-ins matter most, snow that can bounce spring light, and clear summers with str…Keep reading →City skiesUV index in New YorkNew York’s mid-latitude sky swings hard: high summer UV in open parks and rooftops, then a long season of low winter sun canyon light. Basky reads live UV when …Keep reading →City skiesUV index in ParisParis sits at a mid-European latitude where winter UV is often low and clear summer middays can reach moderate to high bands — especially on open terraces and a…Keep reading →City skiesUV index in PhoenixPhoenix combines low-desert latitude with relentlessly clear warm-season skies, so summer midday UV is typically intense and safe-sun windows run short. Winters…Keep reading →City skiesUV index in PortlandPortland shares Pacific Northwest low-winter-sun patterns with Seattle but brings its own Willamette Valley texture — often a bit inland from marine gloom, with…Keep reading →City skiesUV index in RomeRome’s Mediterranean setting typically means higher spring-to-autumn UV than northern Europe, with clear middays often in high or very high bands, plus reflecti…Keep reading →City skiesUV index in San FranciscoSan Francisco’s marine climate hides ultraviolet behind fog and cool air — then delivers surprisingly strong UV on clear middays, especially away from the thick…Keep reading →City skiesUV index in SeattleSeattle’s Pacific Northwest latitude means a long low-UV winter when daylight check-ins carry the habit, then clear high-summer days that can still deliver stro…Keep reading →City skiesUV index in SingaporeSingapore’s equatorial latitude means ultraviolet is often high or very high around midday throughout the year, with less of a winter “off season” than temperat…Keep reading →City skiesUV index in StockholmStockholm’s high latitude creates an extreme seasonal daylight swing — scarce midwinter sun with typically low UV, and long midsummer days when clear middays ca…Keep reading →City skiesUV index in SydneySydney is a southern-hemisphere city where summer (December–February) brings strong UV and winter (June–August) is milder but still capable of meaningful exposu…Keep reading →City skiesUV index in TokyoTokyo’s mid-latitude East Asian climate brings low winter UV, climbing spring light, and summer middays that often reach high or very high bands on clear days —…Keep reading →City skiesUV index in TorontoToronto’s mid-latitude lakeside climate swings from strong clear-summer UV along the waterfront to a lengthy low-sun winter built for daylight check-ins. Basky …Keep reading →City skiesUV index in VancouverVancouver’s coastal Pacific Northwest climate brings mild, often cloudy winters built for daylight check-ins, then clear summer days when midday UV can still ru…Keep reading →
Glossary
The words Basky uses, in plain language.
Words we useBasky glossaryA hub of plain-language definitions for the words Basky uses on screen — safe-sun window, MED, erythemally weighted UV, Fitzpatrick type, vitamin D estimate, da…Keep reading →UV explainedOpen-Meteo UV — Basky’s weather sourceBasky uses Open-Meteo to look up live ultraviolet for your location when you allow it. Coordinates support that weather query only — Basky does not build an acc…Keep reading →GlossaryWhat do UV band labels mean?UV band labels are plain-language groups for the UV index — Low (0–2), Moderate (3–5), High (6–7), Very high (8–10), Extreme (11+) — based on international publ…Keep reading →GlossaryWhat does a daylight streak mean?A daylight streak in Basky is consecutive days you met a gentle outdoor goal — basking within your safe-sun window or checking in that you got some daylight. It…Keep reading →GlossaryWhat does Fitzpatrick type mean in Basky?Fitzpatrick type is a six-point description of how your skin usually responds to sun — from burns easily to rarely burns. In Basky it is the personal input that…Keep reading →GlossaryWhat does the vitamin D estimate mean?Basky’s vitamin D figure is a friendly estimate — encouragement that climbs while you bask and stops growing with the same conservative safe-sun dose. It is not…Keep reading →GlossaryWhat does “safe-sun window” mean?In Basky, a safe-sun window is your personal estimate of how many minutes of direct sun make a gentle wellness dose right now — from Fitzpatrick skin type plus …Keep reading →GlossaryWhat is a minimal erythemal dose (MED)?A minimal erythemal dose (MED) is the amount of erythemally weighted UV that would just produce a perceptible reddening of skin. Basky uses conservative MED fig…Keep reading →GlossaryWhat is a Sunshine Circle?A Sunshine Circle is an optional private group in Basky where friends or family cheer each other’s sun days. Members see a first name you choose and a simple ca…Keep reading →GlossaryWhat is erythemally weighted UV?Erythemally weighted UV is ultraviolet light counted according to how strongly each wavelength tends to redden human skin. The UV index is built from that weigh…Keep reading →
About Basky
The people, the promises, the fine print.
The whyAbout BaskyBasky is a calm daily sunshine habit for iPhone — live UV plus Fitzpatrick skin type become a conservative safe-sun window, a capped timer, and a gentle dayligh…Keep reading →AnswersBasky FAQStraight answers about Basky’s conservative safe-sun window, friendly vitamin D estimate, optional location, free core, one-time Basky Forever, Circles privacy,…Keep reading →
Quick answers
What is Basky?
Basky is a cute, gamified daylight-wellness iPhone app. It sizes a conservative safe-sun window from your skin type and today's live UV, tracks a gentle daylight streak, and offers a friendly vitamin D estimate. The core is free forever.
Are these guides medical advice?
No. Everything on this site is general wellness guidance, not medical advice. Basky does not replace sunscreen, protective clothing, or a doctor.
Does Basky work without an account?
Yes. There is no login. Location is optional (only to fetch local UV). Sunshine Circles are optional and share only a first name and a sun day with people you invite.