"Mon, 24 Jun 2024 15:50:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
15:50:00
General datetime
2024-06-24 15:50:00Z
For Database
2024-06-24 15:50:00
For HTTP1.1
Mon, 24 Jun 2024 15:50:00 GMT