Annotated almanac, 1780
Almanac interleaved with pages containing sporadic entries documenting household activities and accounts, payments from boarders, and a list of baptisms and burials. On the last interleaved page there is an entry for May 19 of "a marvellous darkness over spread the whole horizon which oblidgd us to burn candles for near three hours such a phenomenon not remembered by the oldest person living."
Harvard University Archives
The Papers of John and Hannah Winthrop are open for research.
Harvard University Archives: Papers of John and Hannah Winthrop, 1728-1789-->Diaries of John and Hannah Winthrop, 1739-1789-->Almanacs of Hannah Winthrop,
“Annotated almanac, 1780,” Colonial North American Project at Harvard, accessed September 23, 2017, http://colonialnorthamerican.library.harvard.edu/items/show/8315.