"Sat, 07 Dec 2024 21:15:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
21:15:05
General datetime
2024-12-07 21:15:05Z
For Database
2024-12-07 21:15:05
For HTTP1.1
Sat, 07 Dec 2024 21:15:05 GMT