"Sat, 21 Dec 2024 06:32:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241221
Only TIME
06:32:17
General datetime
2024-12-21 06:32:17Z
For Database
2024-12-21 06:32:17
For HTTP1.1
Sat, 21 Dec 2024 06:32:17 GMT