"Thu, 12 Dec 2024 17:15:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241212
Only TIME
17:15:15
General datetime
2024-12-12 17:15:15Z
For Database
2024-12-12 17:15:15
For HTTP1.1
Thu, 12 Dec 2024 17:15:15 GMT