Effects of Daylight Saving Time
By Noah Veltman
Showing the effect of Daylight Saving Time on actual daylight experienced.
Data is from 2013, sunrises/sunsets are from the US Naval Observatory.
Caveats: Doesn't account for the fact that sunrise and sunset are gradual events, with durations that vary by season and latitude. Also not configured to allow for working the night shift or weird time entries, like being asleep but at work.
Awake from to
Working from to
With DST vs. Without
March 10, 2013 - November 2, 2013
Avg. waking hours of daylight
Avg. free hours of daylight (awake, not at work)
Days it's light when you wake up
Days it's light when you leave work