"Sun, 13 Oct 2024 15:15:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
15:15:56
General datetime
2024-10-13 15:15:56Z
For Database
2024-10-13 15:15:56
For HTTP1.1
Sun, 13 Oct 2024 15:15:56 GMT