CRX id
mniopmffnkajhennhlfamggdpnmbblgg
mniopmffnkajhennhlfamggdpnmbblgg
Description from extension meta
A single page perpetual calendar
Image from store
Description from store
This is a single page perpetual calendar that is valid for many years and is used to look up the day of the week for a given date in the past and future. It is valid for centuries.
It automatically displays the correct date without manual intervention for months with 28, 30, or 31 days. It correctly recognizes leap years and adjusts the calendar for February 29th. It is valid for centuries.