"Sat, 11 May 2024 18:54:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240511
Only TIME
18:54:14
General datetime
2024-05-11 18:54:14Z
For Database
2024-05-11 18:54:14
For HTTP1.1
Sat, 11 May 2024 18:54:14 GMT