Annual Darkness for Niwot, Boulder, United States of America (40.10,-105.17)

See how the sun’s rise/set times for your location change over the course of a year. Shows civil, nautical and astronomical darkness.

Refreshes hourly. Daylight saving time is not shown.

Note: Clear Outside does not store or display your precise location. The embedded forecast links to a full forecast which includes a latitude and longitude rounded to two decimal places and a general location description of a nearby area, e.g. a road name or district.