"Thu, 27 Jun 2024 08:21:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240627
Only TIME
08:21:14
General datetime
2024-06-27 08:21:14Z
For Database
2024-06-27 08:21:14
For HTTP1.1
Thu, 27 Jun 2024 08:21:14 GMT