"Sun, 11 Aug 2024 21:49:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
21:49:10
General datetime
2024-08-11 21:49:10Z
For Database
2024-08-11 21:49:10
For HTTP1.1
Sun, 11 Aug 2024 21:49:10 GMT