"Sat, 08 Jun 2024 15:44:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
15:44:51
General datetime
2024-06-08 15:44:51Z
For Database
2024-06-08 15:44:51
For HTTP1.1
Sat, 08 Jun 2024 15:44:51 GMT