"Thu, 18 Jul 2024 16:40:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
16:40:10
General datetime
2024-07-18 16:40:10Z
For Database
2024-07-18 16:40:10
For HTTP1.1
Thu, 18 Jul 2024 16:40:10 GMT