"Thu, 18 Jul 2024 15:21:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
15:21:33
General datetime
2024-07-18 15:21:33Z
For Database
2024-07-18 15:21:33
For HTTP1.1
Thu, 18 Jul 2024 15:21:33 GMT