"Fri, 21 Jun 2024 22:20:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
22:20:37
General datetime
2024-06-21 22:20:37Z
For Database
2024-06-21 22:20:37
For HTTP1.1
Fri, 21 Jun 2024 22:20:37 GMT