Elapsed Time Calculator

Calculate elapsed time between events and track time intervals with precision down to the second.

Time Period

Enter start and end date/time to calculate elapsed time

Quick Tips

Precision: Calculations are accurate to the millisecond
Time Zones: Uses your local time zone for calculations
Business Days: Estimates based on 5-day work week
Current Time: Use buttons to quickly input current time

Common Use Cases

• Project duration tracking
• Event time measurement
• Work time calculation
• Travel time estimation
• Performance timing
• Age calculation precision
• Historical event analysis

Time Conversions

1 minute = 60 seconds
1 hour = 60 minutes
1 day = 24 hours
1 week = 7 days
1 month ≈ 30.44 days
1 year ≈ 365.25 days

Accuracy Notes

• Exact for seconds, minutes, hours, days
• Month calculations use average length
• Year calculations account for leap years
• Business time is estimated
• Time zones affect accuracy