"Sun, 23 Jun 2024 12:45:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
12:45:01
General datetime
2024-06-23 12:45:01Z
For Database
2024-06-23 12:45:01
For HTTP1.1
Sun, 23 Jun 2024 12:45:01 GMT