"Fri, 14 Jun 2024 08:54:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240614
Only TIME
08:54:54
General datetime
2024-06-14 08:54:54Z
For Database
2024-06-14 08:54:54
For HTTP1.1
Fri, 14 Jun 2024 08:54:54 GMT