"Sun, 30 Jun 2024 15:54:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
15:54:51
General datetime
2024-06-30 15:54:51Z
For Database
2024-06-30 15:54:51
For HTTP1.1
Sun, 30 Jun 2024 15:54:51 GMT