"Fri, 21 Jun 2024 11:26:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
11:26:13
General datetime
2024-06-21 11:26:13Z
For Database
2024-06-21 11:26:13
For HTTP1.1
Fri, 21 Jun 2024 11:26:13 GMT