"Mon, 17 Jun 2024 20:25:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
20:25:37
General datetime
2024-06-17 20:25:37Z
For Database
2024-06-17 20:25:37
For HTTP1.1
Mon, 17 Jun 2024 20:25:37 GMT