"Sat, 15 Jun 2024 00:28:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
00:28:16
General datetime
2024-06-15 00:28:16Z
For Database
2024-06-15 00:28:16
For HTTP1.1
Sat, 15 Jun 2024 00:28:16 GMT