Wednesday, October 18, 2017
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Sunrise and Sunset Times

Monthly Variation

As the Isle of Man is about 54.5° north of the equator, the variation in the length of the period of daylight each day throughout the year is relatively high – the longest day of the year, at midsummer, is over 17 hours in length whilst the shortest day of the year, at midwinter, is just 7 hours and 20 minutes in length.

The sunrise and sunset times each month along with the time of local noon (the point at which the sun reaches its highest point in the sky) and the length of the day are summarized in the table below:

Date Sunrise Local Noon Sunset Length of Day
21st January 2017 08:23:41am GMT 12:30:01pm GMT 04:36:21pm GMT 8h 12m 40s
21st February 2017 07:26:35am GMT 12:32:31pm GMT 05:38:28pm GMT 10h 11m 53s
21st March 2017 06:19:16am GMT 12:26:09pm GMT 06:33:02pm GMT 12h 13m 46s
21st April 2017 06:03:48am BST 01:17:36pm BST 08:31:24pm BST 14h 27m 36s
21st May 2017 05:05:23am BST 01:15:13pm BST 09:25:04pm BST 16h 19m 41s
21st June 2017 04:44:00am BST 01:19:57pm BST 09:55:54pm BST 17h 11m 54s
21st July 2017 05:12:08am BST 01:24:15pm BST 09:36:22pm BST 16h 24m 14s
21st August 2017 06:05:25am BST 01:20:55pm BST 08:36:25pm BST 14h 31m 0s
21st September 2017 07:01:16am BST 01:10:53pm BST 07:20:31pm BST 12h 19m 15s
21st October 2017 07:57:13am BST 01:02:27pm BST 06:07:41pm BST 10h 10m 28s
21st November 2017 07:57:25am GMT 12:03:44pm GMT 04:10:03pm GMT 8h 12m 38s
21st December 2017 08:36:27am GMT 12:16:15pm GMT 03:56:04pm GMT 7h 19m 37s
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Daylight Chart

The fluctuation in the time of sunrise and sunset throughout 2017 in Douglas, Isle of Man is illustrated in the following chart.

Graph showing the variation in the length of day and night throughout the year in Douglas, Isle of Man

Note that the disjointed nature of the graph during late March and October is caused by the switch to daylight saving time for the summer months – the time at which this occurs fluctuates slightly from year to year.

The mauve bands between night and day represent the civil twilight just before sunrise and just after sunset during which the sun is below the horizon but on a clear day it is still considered bright enough to work outside without artificial lighting.


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