"Sun, 07 Apr 2024 20:20:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240407
Only TIME
20:20:00
General datetime
2024-04-07 20:20:00Z
For Database
2024-04-07 20:20:00
For HTTP1.1
Sun, 07 Apr 2024 20:20:00 GMT