SunCalc shows the movement of the sun and sunlight-phase for a certain day at a certain place. You can change the suns positions for sunrise, selected time and sunset see. The thin yellow-colored curve shows the trajectory of the sun, the yellow deposit shows the variation of the path of the sun throughout the year.

2025年2月23日 · Find sunrise and sunset times for any location. Enter latitude and longitude and select the time zone for the location. This sunrise sunset calculator finds the time of day for sunrise, sunset, dawn and dusk. Just input latitude, longitude and time zone or UTC offset.

Get accurate sunrise and sunset times across United States, with precise timing for every location, from the bustling streets of New York City to the serene beaches of California, from the majestic Grand Canyon in Arizona to the historic landmarks of Washington D.C., and from the tropical paradise of Hawaii to the rugged beauty of Alaska.

Calculations of sunrise and sunset in Time – Illinois – USA for March 2025. Generic astronomy calculator to calculate times for sunrise, sunset, moonrise, moonset for many cities, with daylight saving time and time zones taken in account.

当θ=48.2°时大气质量为am 1.5，如图1所示，这是指典型晴天时太阳光照射到一般地面的情况，更接近人类生活的实际状况，其辐照度为1000 w/㎡。 AM 1.5常被用来作为评估地面太阳能转换装置及器件、组件性能的入射光能量标准 。

Check this month's calendar of sunrise and sunset times for your location. Edit to check times in any month and any location.

Some places the next day starts when the sun goes down, others where the sun rises. 12am is really just there because it's the opposite point of solar noon, which is considered the "middle" of the day.

On a standard meridian at the equator one might expect the Sun to rise at 6:00 A.M. and set at 6:00 P.M., but the Sun rises at 6:03 A.M. in July, a summer month, and also rises late, at 6:11 A.M. in February, a winter month. It rises seven minutes before 6:00 A.M. in mid-May, and 20 minutes before 6:00 A.M. at the end of October.

The sun rises at 6 AM and is directly overhead at noon, estimate the time (hour and minutes) when a 34-foot tree will have a

SunCalc is a little app that shows sun movement and sunlight phases during the given day at the given location. You can see sun positions at sunrise, specified time and sunset. The thin orange curve is the current sun trajectory, and the yellow area around is …