"Tue, 18 Jun 2024 21:03:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
21:03:44
General datetime
2024-06-18 21:03:44Z
For Database
2024-06-18 21:03:44
For HTTP1.1
Tue, 18 Jun 2024 21:03:44 GMT