"Sun, 20 Oct 2024 23:12:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
23:12:56
General datetime
2024-10-20 23:12:56Z
For Database
2024-10-20 23:12:56
For HTTP1.1
Sun, 20 Oct 2024 23:12:56 GMT