"Mon, 08 Jul 2024 18:40:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240708
Only TIME
18:40:52
General datetime
2024-07-08 18:40:52Z
For Database
2024-07-08 18:40:52
For HTTP1.1
Mon, 08 Jul 2024 18:40:52 GMT