"Mon, 15 Jul 2024 12:12:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
12:12:45
General datetime
2024-07-15 12:12:45Z
For Database
2024-07-15 12:12:45
For HTTP1.1
Mon, 15 Jul 2024 12:12:45 GMT