"Mon, 17 Jun 2024 15:49:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
15:49:59
General datetime
2024-06-17 15:49:59Z
For Database
2024-06-17 15:49:59
For HTTP1.1
Mon, 17 Jun 2024 15:49:59 GMT