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2078 (MMLXXVIII) will be a common year starting on Saturday of the Gregorian calendar, the 2078th year of the Common Era (CE) and Anno Domini (AD) designations, the 78th year of the 3rd millennium, the 78th year of the 21st century, and the 9th year of the 2070s decade.
Predicted and scheduled events
- May 11 - A total solar eclipse will take place on Wednesday, May 11th, 2078, and will be the 33rd of 71 solar eclipses of Saros cycle 139.
- November 4 - An annular solar eclipse will take place on Friday, November 4, 2078, and will be the 20th of 70 solar eclipses of Saros cycle 144.