"Fri, 21 Jun 2024 23:56:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
23:56:41
General datetime
2024-06-21 23:56:41Z
For Database
2024-06-21 23:56:41
For HTTP1.1
Fri, 21 Jun 2024 23:56:41 GMT