"Mon, 15 Jul 2024 14:06:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
14:06:06
General datetime
2024-07-15 14:06:06Z
For Database
2024-07-15 14:06:06
For HTTP1.1
Mon, 15 Jul 2024 14:06:06 GMT