"Fri, 21 Jun 2024 14:13:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
14:13:52
General datetime
2024-06-21 14:13:52Z
For Database
2024-06-21 14:13:52
For HTTP1.1
Fri, 21 Jun 2024 14:13:52 GMT