Winter Tour
• Open Qualifiers: December 11-13, 2022
• Closed Qualifiers: December 14-15, 2022
• Division 1 Regional League Tournament: January 9-29, 2023
• Division 2 Regional League Tournament: January 30 – February 19, 2023
• Major Tournament: February 24 – March 5, 2023
Spring Tour
• Open Qualifiers: March 13-15, 2023
• Closed Qualifiers: March 16-22, 2023
• Division 1 Regional League Tournament: March 13 – April 2, 2023
• Division 2 Regional League Tournament: April 3-23, 2023
• Major Tournament: April 28 – May 7, 2023
Summer Tour
• Open Qualifiers: May 15-27, 2023
• Closed Qualifiers: May 18-24, 2023
• Division 1 Regional League Tournament: May 15 – June 4, 2023
• Division 2 Regional League Tournament: June 5-25, 2023
• Major Tournament: June 30 – July 9th, 2023
The DPC 2022-2023 Season is divided into the following regions:
• North America (NA)
• South America (SA)
• Western Europe (WEU)
• Eastern Europe (EEU)
• China (CN)
• Southeast Asia (SEA)
Source:
P.S. from TG @DOTA_DM
Source: https://www.reddit.com/r/DotA2/comments/wf2ygh/dota_pro_circuit_20222023_season/