"Tue, 14 May 2024 20:00:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
20:00:30
General datetime
2024-05-14 20:00:30Z
For Database
2024-05-14 20:00:30
For HTTP1.1
Tue, 14 May 2024 20:00:30 GMT