"Mon, 16 Sep 2024 15:48:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
15:48:38
General datetime
2024-09-16 15:48:38Z
For Database
2024-09-16 15:48:38
For HTTP1.1
Mon, 16 Sep 2024 15:48:38 GMT