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#symmetry454

Symmetry454

Proposal for calendar reform

The Symmetry454 calendar (Sym454) is a proposal for calendar reform created by Irv Bromberg of the University of Toronto, Canada. It is a perennial solar calendar that conserves the traditional month pattern and 7-day week, has symmetrical equal quarters in 82% of the years in its 293-year cycle, and starts every month on Monday.

Wed 12th

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Symmetry454 Perennial calendar Calendar reform 4–4–5 calendar Solar calendar List of non-standard dates Kali Yuga Anno Domini Chinese calendar Julian calendar
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