"Sat, 28 Dec 2024 18:44:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241228
Only TIME
18:44:18
General datetime
2024-12-28 18:44:18Z
For Database
2024-12-28 18:44:18
For HTTP1.1
Sat, 28 Dec 2024 18:44:18 GMT