Massachusetts to South Australia Time Zones

Converting time between Massachusetts, United States and South Australia, Australia involves a 15.5-hour difference. This international time conversion is essential for cross-border business and travel planning.

11 hours behind

Current Time Comparison

Massachusetts

11:19 AM
Fri, Jul 18, 2025
UTC-4
Timezone: America/New York

South Australia
Australia

1:19 AM
Sat, Jul 19, 2025
UTC+10
Timezone: Australia/Adelaide

Convert Time Between Regions

Time Zone Converter

Sydney is 14 hours ahead of New York

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Timezone Insights

The significant 15.5-hour time difference requires careful planning for real-time communication, often necessitating early morning or late evening meetings to find suitable overlap.

Business Implications

Cross-border business coordination between Massachusetts and South Australia requires awareness of different national holidays, business cultures, regulatory frameworks, and currency considerations in addition to timezone differences.

Regional Notes

Regional coordination between Massachusetts and South Australia considers local business customs, peak hours, and industry-specific scheduling preferences.

Planning Across Regions

When coordinating activities between Massachusetts and South Australia, consider:

  • Standard business hours in each region
  • Local holidays and observances
  • Cultural preferences for meeting times
  • Peak productivity hours
  • Travel time for in-person meetings

Regional Time Zone Coverage

2,450
USA State Pairs
50 states × 49 destinations
156
Canadian Provinces
13 provinces × 12 destinations
56
Australian States
8 states × 7 destinations
Total: 2,662 regional time zone combinations