"Sun, 13 Oct 2024 18:45:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
18:45:15
General datetime
2024-10-13 18:45:15Z
For Database
2024-10-13 18:45:15
For HTTP1.1
Sun, 13 Oct 2024 18:45:15 GMT