"Thu, 20 Jun 2024 08:38:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
08:38:27
General datetime
2024-06-20 08:38:27Z
For Database
2024-06-20 08:38:27
For HTTP1.1
Thu, 20 Jun 2024 08:38:27 GMT