"Fri, 21 Jun 2024 15:28:46"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240621
Only TIME
15:28:46
General datetime
2024-06-21 15:28:46Z
For Database
2024-06-21 15:28:46
For HTTP1.1
Fri, 21 Jun 2024 15:28:46 GMT