"Mon, 03 Jun 2024 15:25:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
15:25:09
General datetime
2024-06-03 15:25:09Z
For Database
2024-06-03 15:25:09
For HTTP1.1
Mon, 03 Jun 2024 15:25:09 GMT