Calculate days between two dates, add or subtract days from any date, and find upcoming dates instantly. Free, no signup required.
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Free Online Date Calculator
ToolsRhino's date calculator handles three common date calculations in one place. Find how many days are between two dates, add or subtract any number of days from a date, or calculate exactly how many days until an upcoming event.
This tool is perfect for calculating project deadlines, contract durations, lease periods, visa expiry dates, pregnancy due dates, event countdowns and any situation where you need to work with dates and time spans.
Does it account for leap years?+
Yes — all calculations automatically account for leap years and the varying number of days in each month. The results are always accurate to the exact day.
Can I calculate working days only?+
The current calculator counts all calendar days. A working days calculator that excludes weekends and public holidays is coming soon.
How far into the future can I calculate?+
There is no limit — you can calculate dates decades into the future or past. The calculator handles any valid date range accurately.