"Sat, 14 Dec 2024 09:18:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
09:18:45
General datetime
2024-12-14 09:18:45Z
For Database
2024-12-14 09:18:45
For HTTP1.1
Sat, 14 Dec 2024 09:18:45 GMT