All times are given for the MOUNTAIN TIME ZONE. Listed events may not be observable due to timing, weather or other circumstances. Daylight Saving Time, which is not indicated in this table, begins in the US and Canada on the second Sunday in March at 2 a.m., and ends at 2 a.m. on the first Sunday in November. During that time period, add one hour to the times in this table to correctly reflect local time in the Mountain Time Zone.

Some events occur during daylight hours and/or when the objects are not currently in the sky. In those cases, you may be able to observe before dawn or after dark. Some events with little chance of observing have been removed. Information derived from a variety of sources.

[Data for this calendar has been derived from a number of sources including the Observer's Handbook of the Royal Astronomical Society of Canada, Starry Night software, and others. Only events with a reasonable possibility for Northern Hemisphere observers, or those events with some other significance, are given.]


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