"Fri, 21 Jun 2024 04:56:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
04:56:13
General datetime
2024-06-21 04:56:13Z
For Database
2024-06-21 04:56:13
For HTTP1.1
Fri, 21 Jun 2024 04:56:13 GMT