October 2015: Sun & Moon



The hours of daylight continue to slip.  The daylight shrinks by 81 minutes in the Chicago area and the mid-northern latitudes during the month.  By month’s end the sun is in the sky for 10 hours, 24 minutes.  During October, the sun is in the sky 25% less time than it was during June, even though October has one additional day.


NASA Photo
NASA Photo
Phase Date/Time Moonrise Moonset
Last Quarter 10/04/15 (4:06 p.m.) 11:02 p.m. (10/03/15) 1:47 p.m
New Moon 10/12/15 (7:06 p.m.) 6:33 a.m. 6:16 p.m.
First Quarter 10/20/15 (3:31 p.m.) 1:45 p.m. 12:09 a.m. (10/21/15)
Full Moon 10/27/15 (7:05 a.m.) 5:41 p.m. (10/26/15) 7:15 a.m.
Times are Central Daylight Time for Chicago, Illinois, from US Naval Observatory calculations. (For mjb)

Moon With Planets


On the mornings of October 8 and October 9, the waning crescent moon appears near the Venus, Jupiter, and Mars.

For more information about the planets in the morning sky:

A Sky Full of Planets in the Morning Sky in 2015

Venus as a Morning Star, 2015-2016


A few evenings after the new moon, it appears near Saturn on the evening of October 16.

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