xkcd #3232: Countdown Standard
Title text:
Anyone who is caught counting 'three ... two ... one ... zero ... GO!' will be punished with a lifetime of eating only ISO standard food samples.
Transcript:
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Source: https://xkcd.com/3232/
Wrong. Weeks start on Monday. Sunday is the last day of the week. A week is 5 work days and 2 days of the weekend. I will have none of this Sunday bs.