"Sun, 13 Oct 2024 18:31:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
18:31:12
General datetime
2024-10-13 18:31:12Z
For Database
2024-10-13 18:31:12
For HTTP1.1
Sun, 13 Oct 2024 18:31:12 GMT