"Thu, 19 Sep 2024 21:54:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240919
Only TIME
21:54:38
General datetime
2024-09-19 21:54:38Z
For Database
2024-09-19 21:54:38
For HTTP1.1
Thu, 19 Sep 2024 21:54:38 GMT