Hours of Daylight by Latitude

This table shows the varying length of day with latitude. The day length is calculated as the period between the rising and setting of the sun. It does not include the period of twilight before and after sunrise and sunset. Read the months on the left of the table for the northern hemisphere, and the months on the right of the table for the southern hemisphere.

Length of Day at Various Latitudes (in Hours and Minutes on the 15th of Each Month)
Month	Equator	10°	20°	30°	40°	50°	60°	70°	80°	Poles	Month

January	12:07	11:35	11:02	10:24	9:37	8:30	6:38	0:00	0:00	0:00	July
February	12:07	11:49	11:21	11:10	10:42	10:07	9:11	7:20	0:00	0:00	August
March	12:07	12:04	12:00	11:57	11:53	11:48	11:41	11:28	10:52	0:00	September
April	12:07	12:21	12:36	12:53	13:14	13:44	14:31	16:06	24:00	24:00	October
May	12:07	12:34	13:04	14:22	15:22	17:04	22:13	24:00	24:00	24:00	November
June	12:07	12:42	13:20	14:04	15:00	16:21	18:49	24:00	24:00	24:00	December
July	12:07	12:40	13:16	13:56	14:49	15:38	17:31	24:00	24:00	24:00	January
August	12:07	12:28	12:50	13:16	13:48	14:33	15:46	18:26	24:00	24:00	February
September	12:07	12:12	12:17	12:23	12:31	12:42	13:00	13:34	15:16	24:00	March
October	12:07	11:55	11:42	11:28	11:10	10:47	10:11	9:03	5:10	0:00	April
November	12:07	11:40	11:12	10:40	10:01	9:06	7:37	3:06	0:00	0:00	May
December	12:07	11:32	10:56	10:14	9:20	8:05	5:54	0:00	0:00	0:00	June

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Latitude and Longitude

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