"Sat, 15 Jun 2024 00:35:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
00:35:52
General datetime
2024-06-15 00:35:52Z
For Database
2024-06-15 00:35:52
For HTTP1.1
Sat, 15 Jun 2024 00:35:52 GMT