"Sat, 14 Dec 2024 09:45:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
09:45:39
General datetime
2024-12-14 09:45:39Z
For Database
2024-12-14 09:45:39
For HTTP1.1
Sat, 14 Dec 2024 09:45:39 GMT