"Mon, 15 Jul 2024 15:21:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
15:21:29
General datetime
2024-07-15 15:21:29Z
For Database
2024-07-15 15:21:29
For HTTP1.1
Mon, 15 Jul 2024 15:21:29 GMT