"Sun, 12 May 2024 11:21:07"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240512
Only TIME
11:21:07
General datetime
2024-05-12 11:21:07Z
For Database
2024-05-12 11:21:07
For HTTP1.1
Sun, 12 May 2024 11:21:07 GMT