"Sat, 14 Dec 2024 00:49:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
00:49:12
General datetime
2024-12-14 00:49:12Z
For Database
2024-12-14 00:49:12
For HTTP1.1
Sat, 14 Dec 2024 00:49:12 GMT