using the equations on the previous page, the position of the sun in the sky can be determined from the observer's location and the time of day. in the top blue squares, enter the observer's location and time of day. an alternate calculator for the sun's path is also available at the
Time and Date
The time is given as 24 hour time and the minutes are entered separately. Thus for 5:15 pm, enter 17 in the hour box and 152元微信红包小扫雷群 in the minute box.
Longitude, Latitude and Time Zone (GMT)
Longitude, latitude and time zone of locations throughout the world are available at . Minutes of longitude and latitude are entered as fractions, so 17° 30' becomes 17.5. Enter locations with a west longitude as negative. For daylight saving (summer time), subtract 1 hour from the given values. Generally speaking, locations east of Greenwich (UK) are positive and locations west of Greenwich are negative.
2元微信红包小扫雷群 There are other services that will determine your approximate latitude and longitude from your IP address. For example . For a given latitude and longitude will calculate the GMT offset.
Explanation of polar plots
2元微信红包小扫雷群the most convenient way to plot the sun's position throughout the day is on a polar plot. click on the animation for an explanation of these polar plots.