"Sat, 14 Dec 2024 12:15:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
12:15:51
General datetime
2024-12-14 12:15:51Z
For Database
2024-12-14 12:15:51
For HTTP1.1
Sat, 14 Dec 2024 12:15:51 GMT