"Sat, 14 Dec 2024 03:49:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
03:49:45
General datetime
2024-12-14 03:49:45Z
For Database
2024-12-14 03:49:45
For HTTP1.1
Sat, 14 Dec 2024 03:49:45 GMT