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PrimeHour
Photography trip planner to plan every shot around the light
7 followers
Photography trip planner to plan every shot around the light
7 followers
PrimeHour is a photography trip planner for iOS. Drop in your dates and destinations — every shot is scored by sun, moon, and weather, then built into a schedule so you're set up before the prime hour hits.
Hey Product Hunt, I'm the solo maker behind PrimeHour. 👋
It started from a simple frustration: I kept driving hours to a spot and getting flat midday light, or showing up "an hour before sunset" and missing the actual window. Weather apps tell you if it'll rain, nothing told me when the light would actually be good, here, on this date.
So I built it. It began as just golden/blue hour times, but I quickly realized times alone don't help (a golden hour under heavy cloud is still a wasted trip). So it became a 0–100 light score with sun angle, clouds, and forecast combined, the reason for the number, not a black box. The hard parts weren't the math; they were making a score feel trustworthy at a glance, wrangling timezones/offline/high-latitude edge cases, and reining in the AI so its gear + settings tips are actually accurate.
Free to plan unlimited trips; Pro adds the AI planning + full forecast.
Where are you shooting next? Drop a spot and a date and PrimeHour will tell you the best window! 🌅
How does the scoring actually factor in weather forecasts that are more than a few days out, especially for remote locations where conditions can shift quickly? Curious if that affects reliability.
@derya1411171 Hi Derya, great question! The shot score is made of two very different parts that age differently.
About 70% of the shot score is based on pure sun geometry (angle, timing, direction) and is computed locally with astronomical math. This process is exact for any date and location with no forecast involved, so that part never changes. The weather part is the remaining ~30% of the shot score (cloud coverage and rain) and comes from Open-Meteo, which blends the best national weather models per region (ECMWF, NOAA, etc) at each hour, up to 10 days out.
Beyond the 10-day weather window, the shot score doesn't involve the weather to avoid "making up" what the weather will be past that window. The score for shots that are 10+ days away is based on the light geometry alone. Once your shot date is <10 days away, that's when the score will begin to update automatically with the latest weather data. If the weather conditions change close to the shot date/time, you'll get a weather change notification which is our solution for the remote, fast-changing places you're describing.
So when a shot is 10+ days away, the score tells you when the light is worth planning around. Then once you're within the 10-day window, it'll incorporate the weather to tell you if it'll cooperate.