"Sat, 14 Dec 2024 13:23:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
13:23:12
General datetime
2024-12-14 13:23:12Z
For Database
2024-12-14 13:23:12
For HTTP1.1
Sat, 14 Dec 2024 13:23:12 GMT