"Fri, 21 Jun 2024 01:02:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
01:02:54
General datetime
2024-06-21 01:02:54Z
For Database
2024-06-21 01:02:54
For HTTP1.1
Fri, 21 Jun 2024 01:02:54 GMT