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The Remote Team Time Zone Overlap Calculator finds the common working hours between distributed team members across multiple time zones, helping managers schedule meetings and plan synchronous collaboration windows.
공식
Overlap Hours = max(0, min(End_A, End_B) - max(Start_A, Start_B)) applied across all team time zones
- TZ
- Time Zone Offset (hours from UTC) — Each location UTC offset including DST adjustment
- Ws
- Work Start (UTC) (hour (0-23)) — Working day start time converted to UTC
- We
- Work End (UTC) (hour (0-23)) — Working day end time converted to UTC
- Ov
- Overlap Window (hours) — Number of common working hours across all team members
단계별 가이드
- 1Enter each team member location and their working hours (e.g., 9 AM - 5 PM local)
- 2The calculator converts all schedules to UTC for comparison
- 3Common overlap hours are computed across all team members
- 4View the overlap window in each person local time and recommendations for meeting scheduling
풀어진 예시
입력
NYC (EST, 9-5) + London (GMT, 9-5) + Tokyo (JST, 9-5)
결과
NYC-London overlap: 9 AM-12 PM EST (2-5 PM GMT) = 3 hours. All three overlap: 0 hours (Tokyo 11 PM-2 AM when NYC+London overlap).
입력
SF (PST, 9-5) + Berlin (CET, 9-5)
결과
Overlap: 9-10 AM PST (6-7 PM CET) = 1 hour. Consider flexible hours: SF 8-4, Berlin 10-6 = 2 hour overlap.
피해야 할 일반적인 실수
- ✕Forgetting daylight saving time changes which shift overlap windows by 1 hour twice per year (and not all countries observe DST)
- ✕Assuming standard 9-5 hours when team members may have flexible schedules that could expand overlap
- ✕Scheduling all meetings in the overlap window without reserving time for individual deep work
자주 묻는 질문
How many overlap hours do distributed teams need?
Most remote team experts recommend a minimum of 3-4 overlap hours for synchronous collaboration. Teams with fewer than 2 hours of overlap should adopt async-first communication practices and limit meetings to essential decisions.
How do you handle teams with zero time zone overlap?
Use async communication tools (Loom, Notion, Slack), establish clear handoff protocols, record all meetings, and schedule occasional off-hours meetings with rotation so the burden is shared fairly.
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