Over the course of October, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1:45 hours, implying an average day-over-day decrease of 3.4 minutes.
The shortest day of the month is October 31 with 9:53 hours of daylight; the longest day is October 1 with 11:38 hours of daylight.
Daily Hours of Daylight and Twilight in October
The number of hours during which the Sun is visible (black line), with various degrees of daylight, twilight, and night, indicated by the color bands. From bottom (most yellow) to top (most gray): full daylight, solar twilight (Sun is visible but less than 6Â° from the horizon), civil twilight (Sun is not visible but is less than 6Â° below the horizon), nautical twilight (Sun is between 6Â° and 12Â° below the horizon), astronomical twilight (Sun is between 12Â° and 18Â° below the horizon), and full night.
The earliest sunrise is at 6:59am on October 28; the latest sunset is at 6:56pm on October 1; the latest sunrise is at 7:58am on October 27; the earliest sunset is at 4:58pm on October 31.
Daylight saving time (DST) ends at 2:00am on October 28, 2012, shifting sunrise and sunset to an hour earlier.
Daily Sunrise & Sunset with Twilight and Daylight Saving Time in October
The solar day over the course of the year 2012 . From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (solar, civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the "DST" labels.