"Sun, 27 Oct 2024 21:18:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241027
Only TIME
21:18:45
General datetime
2024-10-27 21:18:45Z
For Database
2024-10-27 21:18:45
For HTTP1.1
Sun, 27 Oct 2024 21:18:45 GMT