"Fri, 21 Jun 2024 03:08:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
03:08:50
General datetime
2024-06-21 03:08:50Z
For Database
2024-06-21 03:08:50
For HTTP1.1
Fri, 21 Jun 2024 03:08:50 GMT