"Tue, 18 Jun 2024 14:52:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
14:52:37
General datetime
2024-06-18 14:52:37Z
For Database
2024-06-18 14:52:37
For HTTP1.1
Tue, 18 Jun 2024 14:52:37 GMT