"Fri, 21 Jun 2024 13:32:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
13:32:16
General datetime
2024-06-21 13:32:16Z
For Database
2024-06-21 13:32:16
For HTTP1.1
Fri, 21 Jun 2024 13:32:16 GMT