Government starts its official clock in January. Businesses begin their fiscal years in July. But September belongs to culture.

That's when orchestras and opera companies, theater and dance troupes, art galleries and academic centers roll out their best offerings.

Audiences expect big things when the air turns crisp.

This season, they will get them: world premieres, special performances, guest appearances and plenty of surprises to keep things interesting.

It's time to check your calendar, check our fall art guide (right) and get your tickets.