"Sun, 11 Aug 2024 13:34:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
13:34:21
General datetime
2024-08-11 13:34:21Z
For Database
2024-08-11 13:34:21
For HTTP1.1
Sun, 11 Aug 2024 13:34:21 GMT