"Sun, 11 Aug 2024 23:27:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
23:27:21
General datetime
2024-08-11 23:27:21Z
For Database
2024-08-11 23:27:21
For HTTP1.1
Sun, 11 Aug 2024 23:27:21 GMT