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Calculate lunar eclipse dates and types for any year
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Tool usage guide
The Lunar Eclipse Calculator provides precise dates and classifications for lunar eclipses occurring between 1900 and 2100. Whether you are planning an observation or researching historical astronomical events, this tool delivers accurate data for any selected year.
Background
An amateur astronomer wants to organize their observation calendar for the year 2026.
Problem
Needs to identify all lunar eclipse dates to avoid scheduling conflicts.
How to use
Set the year to 2026 and run the calculation.
year: 2026, showNext: falseOutcome
A complete list of all lunar eclipses occurring in 2026, including their specific types.
Background
A hobbyist wants to know when the next lunar eclipse will occur to prepare their telescope.
Problem
Does not want to manually search through a calendar for the next event.
How to use
Enable the 'Show Next Eclipse' checkbox and run the tool.
showNext: trueOutcome
The calculator supports any year from 1900 to 2100.
Yes, the output specifies the type of lunar eclipse for each date provided.
Yes, by enabling the 'Show Next Eclipse' option, the tool will display the date of the next upcoming event.
The dates provided are based on universal astronomical calculations; visibility depends on your specific geographic location.
Yes, the calculator processes requests through our server to ensure the most accurate astronomical data.
The tool displays the date and type of the very next lunar eclipse relative to the current date.