"Sun, 13 Oct 2024 18:38:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
18:38:13
General datetime
2024-10-13 18:38:13Z
For Database
2024-10-13 18:38:13
For HTTP1.1
Sun, 13 Oct 2024 18:38:13 GMT