"Sat, 14 Dec 2024 23:15:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
23:15:53
General datetime
2024-12-14 23:15:53Z
For Database
2024-12-14 23:15:53
For HTTP1.1
Sat, 14 Dec 2024 23:15:53 GMT