"Sun, 14 Apr 2024 11:21:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240414
Only TIME
11:21:12
General datetime
2024-04-14 11:21:12Z
For Database
2024-04-14 11:21:12
For HTTP1.1
Sun, 14 Apr 2024 11:21:12 GMT