"Mon, 15 Jul 2024 15:29:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
15:29:33
General datetime
2024-07-15 15:29:33Z
For Database
2024-07-15 15:29:33
For HTTP1.1
Mon, 15 Jul 2024 15:29:33 GMT