"Sun, 29 Dec 2024 19:20:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
19:20:50
General datetime
2024-12-29 19:20:50Z
For Database
2024-12-29 19:20:50
For HTTP1.1
Sun, 29 Dec 2024 19:20:50 GMT