"Sun, 28 Apr 2024 16:24:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240428
Only TIME
16:24:20
General datetime
2024-04-28 16:24:20Z
For Database
2024-04-28 16:24:20
For HTTP1.1
Sun, 28 Apr 2024 16:24:20 GMT