"Mon, 23 Sep 2024 05:40:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
05:40:38
General datetime
2024-09-23 05:40:38Z
For Database
2024-09-23 05:40:38
For HTTP1.1
Mon, 23 Sep 2024 05:40:38 GMT