Before the shoot · Planning

Almanac

A calendar of keeper-shot windows: six forecast engines (weather, astro and other dimensions) scored per day, so you can see at a glance which days are worth going out for.

When it helps

shooting almanac
keeper calendar
which day is good for shooting
good shooting window
photography calendar
photo almanac
which day has good weather
worth going out
almanac
daily score

At a glance

Where to find it	Tools tab → Almanac
Category	Before the shoot · Planning
Platforms	iOS / Android / HarmonyOS (native) (coming soon)

Related tools

Weather

Weather and light: live conditions, sunrise and sunset, golden and blue hour, cloud cover and precipitation.

Aurora

Aurora forecast: live geomagnetic Kp index, visibility probability for your location…

Plan

A shoot planning checklist with the date, location, time window and gear kit pre-filled before you head out.…

Scout

A location scouting bench: overlay the azimuth and altitude grids for sun…

Burn Sky

Burning sky forecast: a multi-day probability index for whether the morning or evening sky will actually light up.

Tide

Tide data: high and low water times, so you can read the shooting window as the sea goes out or comes in.

Specialty

Probability forecasts for the landscape conditions that make a trip worth it: sea of clouds…

Poses

Pose library: poses curated by us, filtered by subject × setting × light.…

Lightning

Lightning scouting and forecast (M1): answers "can I shoot lightning from this spot tonight?".…

Light Pollution

Light pollution map: worldwide light pollution from VIIRS night-time satellite data (~500 m, z2–8)…

Moon

Moon photography on one page: phase, age, illuminated fraction, Earth–Moon distance, apparent size, magnitude…

“Almanac” is one of the 37 photography tools in Optaxis. Coming to iOS, Android and HarmonyOS (native) at the same time, expected between late December 2026 and early January 2027; once live, search for “光轴” (Optaxis) in your app store to download.