24-hour clock
01:38
What Time Is 01:38?
01:38 in 24-hour time is 1:38 AM on a 12-hour clock.
12-hour clock
1:38 AM
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1:38 AM 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 1:38 AM