"Sat, 21 Dec 2024 03:20:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241221
Only TIME
03:20:26
General datetime
2024-12-21 03:20:26Z
For Database
2024-12-21 03:20:26
For HTTP1.1
Sat, 21 Dec 2024 03:20:26 GMT