"Thu, 18 Jul 2024 20:21:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
20:21:09
General datetime
2024-07-18 20:21:09Z
For Database
2024-07-18 20:21:09
For HTTP1.1
Thu, 18 Jul 2024 20:21:09 GMT