"Fri, 21 Jun 2024 17:14:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
17:14:54
General datetime
2024-06-21 17:14:54Z
For Database
2024-06-21 17:14:54
For HTTP1.1
Fri, 21 Jun 2024 17:14:54 GMT