"Sun, 07 Apr 2024 18:21:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240407
Only TIME
18:21:17
General datetime
2024-04-07 18:21:17Z
For Database
2024-04-07 18:21:17
For HTTP1.1
Sun, 07 Apr 2024 18:21:17 GMT