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Stargazing Auxiliary

Sunrise & Sunset Tracker

Compute sunrise, sunset and day length for any date and location.

Try the tool

Sunrise (UTC): 10:18

Sunset (UTC): 23:33

Day length: 13.24 h

Tool principle

Uses the standard NOAA solar-position algorithm and a −0.833° horizon refraction correction.

Data source: Native algorithm.

User guide

  1. 1Enter date, latitude and longitude.
  2. 2Times are shown in UTC — add your time-zone offset for local time.

Frequently asked questions

Why UTC and not local?+

UTC avoids ambiguity across time zones and daylight savings.