"Sun, 29 Dec 2024 23:16:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
23:16:45
General datetime
2024-12-29 23:16:45Z
For Database
2024-12-29 23:16:45
For HTTP1.1
Sun, 29 Dec 2024 23:16:45 GMT