24-hour clock
16:31
What Time Is 16:31?
16:31 in 24-hour time is 4:31 PM on a 12-hour clock.
12-hour clock
4:31 PM
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4:31 PM is a clock reading, not a countdown target. Use a how-long-until page to time it.
Countdown to this clock time: how long until 4:31 PM