"Tue, 04 Jun 2024 18:54:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240604
Only TIME
18:54:20
General datetime
2024-06-04 18:54:20Z
For Database
2024-06-04 18:54:20
For HTTP1.1
Tue, 04 Jun 2024 18:54:20 GMT