"Tue, 14 May 2024 18:21:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
18:21:50
General datetime
2024-05-14 18:21:50Z
For Database
2024-05-14 18:21:50
For HTTP1.1
Tue, 14 May 2024 18:21:50 GMT