"Tue, 14 May 2024 21:03:46"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
21:03:46
General datetime
2024-05-14 21:03:46Z
For Database
2024-05-14 21:03:46
For HTTP1.1
Tue, 14 May 2024 21:03:46 GMT