"Fri, 21 Jun 2024 13:31:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
13:31:12
General datetime
2024-06-21 13:31:12Z
For Database
2024-06-21 13:31:12
For HTTP1.1
Fri, 21 Jun 2024 13:31:12 GMT