"Sat, 07 Dec 2024 15:15:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
15:15:06
General datetime
2024-12-07 15:15:06Z
For Database
2024-12-07 15:15:06
For HTTP1.1
Sat, 07 Dec 2024 15:15:06 GMT