"Sat, 07 Dec 2024 16:20:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
16:20:20
General datetime
2024-12-07 16:20:20Z
For Database
2024-12-07 16:20:20
For HTTP1.1
Sat, 07 Dec 2024 16:20:20 GMT