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Both calculators run independently — change the inputs on either side to compare results.

Global Trading Hours Overlap Calculator

Estimates the volume-weighted trading overlap score between two major financial markets over a given number of trading days. Traders and analysts use it to identify the highest-liquidity windows for executing cross-market strategies.

First Market

Second Market

Trading Days Per Week (days)

Overlap Volume Factor

Fill in the required fields to see your result.

Time Zones

Business Hours Overlap Calculator

Find the overlapping working hours between two offices in different time zones. Use it to schedule meetings, calls, or collaborative sessions without forcing either team outside normal hours.

Office 1 Start Hour (hour (0-23))

Office 1 End Hour (hour (0-23))

Office 1 Time Zone Offset (hours from UTC)

Office 2 Time Zone Offset (hours from UTC)

Office 2 Business Hours

Fill in the required fields to see your result.

Key differences

	Global Trading Hours Overlap Calculator	Business Hours Overlap Calculator
Category	Time Zones	Time Zones
Inputs required	4	5
Result	Weekly Trading Overlap (hours)	Overlapping Hours (hours/day)
What it does	Estimates the volume-weighted trading overlap score between two major financial markets over a given number of trading days. Traders and analysts use it to identify the highest-liquidity windows for executing cross-market strategies.	Find the overlapping working hours between two offices in different time zones. Use it to schedule meetings, calls, or collaborative sessions without forcing either team outside normal hours.