Hanke-Henry Permanent Calendar
Definitions
A proposed calendar that maintains synchronization with the solar year by intercalating entire weeks rather than single days, and in which every calendar day always falls on the same day of the week.
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.
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