Dias entre timestamps
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Days between timestamps calculator computes the difference, in days, between two timestamps provided by the user. It uses the formula |t2−t1| divided by 86400 seconds (equivalent to 1 day). This calculation is useful for scenarios like event planning, analyzing process durations, or comparing chronological records.
To work, the tool converts timestamps into seconds and subtracts the smaller from the larger. The result is divided by 86400 to get the total days. Ensure both timestamps are in the same time zone and format. Common errors include incorrect date formats or ignoring daylight saving time adjustments.
Practical use cases: calculating the duration between project start and end, checking the time between two software deliveries, or analyzing time gaps in banking operations. The calculator is ideal for users working with systems that store data in timestamps, such as APIs or databases.
Important considerations: if timestamps are in different time zones, convert them beforehand. Timestamps with daylight saving time may produce inaccurate results without adjustments. Always validate input data to avoid calculation errors.
Frequently asked questions
How does the |t2−t1|/86400 formula work?
The formula calculates the absolute difference between two timestamps in seconds and divides the result by 86400 (seconds in a day) to convert it into days.
Do I need to convert timestamps to the same time zone?
Yes, timestamps in different time zones may produce incorrect results. Convert them to the same zone before using the calculator.
Does the calculator adjust for daylight saving time?
No. You must manually adjust timestamps for daylight saving time if applicable before performing the calculation.
What format should I use for timestamps?
Use Unix timestamps (seconds since 01/01/1970) or ISO 8601 format, depending on the calculator version you're using.
Can I use this for dates with different hours/months?
Yes, as long as timestamps are correctly formatted. The calculator automatically handles differences in hours, days, months, and years.