"Sat, 07 Dec 2024 15:50:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
15:50:03
General datetime
2024-12-07 15:50:03Z
For Database
2024-12-07 15:50:03
For HTTP1.1
Sat, 07 Dec 2024 15:50:03 GMT