"Sat, 03 Aug 2024 21:16:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
21:16:13
General datetime
2024-08-03 21:16:13Z
For Database
2024-08-03 21:16:13
For HTTP1.1
Sat, 03 Aug 2024 21:16:13 GMT