"Thu, 12 Dec 2024 13:15:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241212
Only TIME
13:15:03
General datetime
2024-12-12 13:15:03Z
For Database
2024-12-12 13:15:03
For HTTP1.1
Thu, 12 Dec 2024 13:15:03 GMT