"Sun, 08 Dec 2024 15:40:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
15:40:36
General datetime
2024-12-08 15:40:36Z
For Database
2024-12-08 15:40:36
For HTTP1.1
Sun, 08 Dec 2024 15:40:36 GMT