"Mon, 12 Aug 2024 14:44:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
14:44:45
General datetime
2024-08-12 14:44:45Z
For Database
2024-08-12 14:44:45
For HTTP1.1
Mon, 12 Aug 2024 14:44:45 GMT