"Mon, 15 Jul 2024 11:18:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
11:18:00
General datetime
2024-07-15 11:18:00Z
For Database
2024-07-15 11:18:00
For HTTP1.1
Mon, 15 Jul 2024 11:18:00 GMT