"Thu, 20 Jun 2024 14:13:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
14:13:54
General datetime
2024-06-20 14:13:54Z
For Database
2024-06-20 14:13:54
For HTTP1.1
Thu, 20 Jun 2024 14:13:54 GMT