"Mon, 21 Oct 2024 18:06:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
18:06:18
General datetime
2024-10-21 18:06:18Z
For Database
2024-10-21 18:06:18
For HTTP1.1
Mon, 21 Oct 2024 18:06:18 GMT