"Tue, 18 Jun 2024 11:26:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
11:26:23
General datetime
2024-06-18 11:26:23Z
For Database
2024-06-18 11:26:23
For HTTP1.1
Tue, 18 Jun 2024 11:26:23 GMT