[2] calendars@groups.io | Home, 8/9/2023, 6:06:01 AM https://groups.io/g/calendars
[1] Symmetry454 and Symmetry010 Calendars, Kalendis Calculator, and more, Dr. Irv Bromberg, University of Toronto, Canada, 7/17/2022, 4:51:40 AM, 8/9/2023, 6:05:47 AM http://individual.utoronto.ca/kalendis/
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