"Sun, 01 Dec 2024 12:15:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
12:15:45
General datetime
2024-12-01 12:15:45Z
For Database
2024-12-01 12:15:45
For HTTP1.1
Sun, 01 Dec 2024 12:15:45 GMT