Question:
Does the sun rise latest in the summer or winter?
Audrey
2010-01-28 20:29:24 UTC
I know that summer days are longer, but the sun also sets earlier. Does the sun rise later in winter than summer? (If you knew how big the difference is that'd be great too, but just knowing would be nice. Came here to double check.)
Six answers:
anonymous
2010-01-28 20:40:39 UTC
Winter. But not the Winter Solstice (around Dec. 21). Instead, because of some slightly tweaky orbital factors -- a constantly changing elliptical orbit and axial tilt -- about two weeks later, in early January.
The Crafty One
2010-01-28 20:33:53 UTC
The Sun rises later in the Winter and sets earlier, that's why Winter days are shorter than Summer days. I would say the difference would have to be about 2 hours.
?
2010-01-28 20:44:57 UTC
Days are longer in the summer, the sun rises earlier and sets later in the summer than in the winter. In San Diego, the earliest sunset is around December 3rd and is 4:42 PM PST, the latest sunrise is around January 9th at 6:52 AM PST. The latest sunset is around June 29th at 8:01 PM PDT and the earliest sunrise is around June 12th at 5:40 AM PDT.
anonymous
2010-01-28 20:36:07 UTC
Sun rise and sunset times vary depending on your latitude. But the sun rises earlier and sets later in the summer than in the winter.
poornakumar b
2010-01-31 11:34:29 UTC
Don't go by your local standard time, winter saving or summer saving times. Taking Sun's culmination (highest near Zenith) as (local) 12:00 noon, Sun rises at 06:00 am and sets at 06:00 pm on equinoxes (21 March & 23 September).

As Summer increases he rises early, sets late. In peak summer it is earliest sunrise and latest sunset.

The revere happens in winter. It depends on your (latitude).

I'll give a formula for correction, that you need to apply to the 06:00 am sunrise and to 06:00 pm sunset.

It is a Trigonometric formula:

tan(time) = tan(latitude) X cos(days)

where 4 multiplied by (time) in minutes is to be subtracted (if it is +) or added (if it is -) to sunrise 06:00 am (and reverse for 06:00 pm sunset).

(days) is the number of days on either side of Summer solstice, 21 June, multiplied by 360/365.242219 (= 0.985647) before finding cos(days).

For winter days " cos(days) " with a negative sign should be used. Number of (days) should be reckoned from winter solstice (22 December).
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2017-01-12 12:35:25 UTC
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