"Fri, 21 Jun 2024 12:56:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
12:56:42
General datetime
2024-06-21 12:56:42Z
For Database
2024-06-21 12:56:42
For HTTP1.1
Fri, 21 Jun 2024 12:56:42 GMT