How do I set the Round countdown?

The Round countdown can be set in the django admin: https://gitcoin.co/_administrationperftools/staticjsonenv/2/change/
 
The JSON format is stored as follows (for Grants Round 11):
{"round_end": "2021-09-24:0.0.0", "round_num": "11", "round_start": "2021-09-08:15.0.0", "round_active": true}

How do I set the Round countdown?

The Round countdown can be set in the django admin: https://gitcoin.co/_administrationperftools/staticjsonenv/2/change/
 
The JSON format is stored as follows (for Grants Round 11):
{"round_end": "2021-09-24:0.0.0", "round_num": "11", "round_start": "2021-09-08:15.0.0", "round_active": true}