Disclaimer
Last updated: August 2026Time Zone Overlap Tool is a free scheduling aid, not an authoritative source for legal, medical, financial, or travel-critical timing decisions.
Accuracy of time zone data
This tool calculates local time using your browser's built-in time zone database, which is generally reliable but depends on your device being kept up to date. Daylight saving time rules, government-mandated time zone changes, and regional exceptions can shift with little notice. Always confirm exact meeting times directly with participants, especially around daylight saving transitions in any of the regions involved.
Working hours assumption
The tool assumes a default 9am–6pm local working window when calculating overlap. This is a general assumption and won't reflect every team's actual schedule, time-off, holidays, or personal working hours preferences.
Not professional advice
Nothing on this site constitutes legal, HR, travel, or scheduling advice for high-stakes situations (for example, flight connections, medical appointments, or legal deadlines). For anything time-critical, verify independently.
Advertising disclosure
This site displays ads served through Google AdSense to help cover hosting costs. Ad placements do not constitute an endorsement of advertised products or services by Time Zone Overlap Tool.
Use at your own discretion
By using this site, you acknowledge that scheduling decisions based on its output are made at your own discretion and risk.