"Sun, 13 Oct 2024 08:18:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
08:18:45
General datetime
2024-10-13 08:18:45Z
For Database
2024-10-13 08:18:45
For HTTP1.1
Sun, 13 Oct 2024 08:18:45 GMT