Wednesday — Stanley Cup Playoffs begin.

April 24-May 10 — IIHF World Championship, Switzerland.

May 25-30 — NHL Combine, Toronto.

June 15 — Last possible day for Stanley Cup finals.

June 18 — NHL awards show at Las Vegas.

June 26-27 — NHL draft, Montreal.

July 1 — Free agency signing period begins.

July 5 — Deadline for player-elected salary arbitration.

July 6 — Deadline for club-elected salary arbitration.

July 10 — Deadline for eligible players to elect Group 5 free agency.

July 20-Aug. 4 — Salary arbitration hearings held.

Aug. 6 — Deadline for salary arbitration decisions to be rendered.