Location · date · sky
Sun, Moon & Event Tools
Estimate natural-light and lunar timing from a date, location and time zone, with the calculation scope kept visible rather than hidden behind a precision claim.
Frozen tool set
8 focused tools
Sunrise / Sunset CalculatorEstimate sunrise, solar noon and sunset for a location and date.Open tool →Moon Phase CalculatorEstimate lunar phase, age and illumination for a selected date.Open tool →Moonrise / MoonsetEstimate moonrise and moonset from a location and local date.Open tool →Sun Position CalculatorEstimate solar altitude and azimuth for a chosen instant.Open tool →Golden Hour CalculatorEstimate morning and evening golden-hour windows.Open tool →Full Moon CalendarEstimate the full-moon schedule for a selected year.Open tool →Lunar CalendarView approximate moon phase for each day of a month.Open tool →Astronomical TwilightEstimate morning and evening astronomical twilight boundaries.Open tool →