"Sat, 01 Jun 2024 14:50:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
14:50:40
General datetime
2024-06-01 14:50:40Z
For Database
2024-06-01 14:50:40
For HTTP1.1
Sat, 01 Jun 2024 14:50:40 GMT