"Fri, 21 Jun 2024 05:47:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
05:47:14
General datetime
2024-06-21 05:47:14Z
For Database
2024-06-21 05:47:14
For HTTP1.1
Fri, 21 Jun 2024 05:47:14 GMT