A math calendar à la Singapour, which is designed in such a way that the answer to the problem on each day is the date on which the question appears, aims to develop in children a positive attitude towards the world’s most disliked school subject—when they are exposed to the beauty and joy of math rather than seeing it as a mere drill-and-kill subject.
The Singapore Mathematics Calendar—which takes three or four times longer to write than a typical assessment (or supplementary) math title, and costs a few folds more in publishing it—is a first in Singapore math publishing, as it offers students a creative and fun way to learning math, while honing their problem-solving skills.
by Numerati November 25, 2024
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crazy calendar

The official name of the calendar that mental asylum inmates, delusionists, and Qnuts follow instead of the regular calendar. The crazy calendar has the same number of days as the regular calendar, including those of leap year.

However that is the only similarity. The calendar has only 6 months instead of 12, because both the delusionals and Qnuts especially have to short of a memory span to remember the names of 12 months.

Each month has 60 days, with the exception of February which has 65 days. During a leap year, February has 66 days.
1: You know James?
2: You mean that delusional dude, who also supports Q?
1: Yah, he was saying some weird stuff like June 47th.
2: He probably is following the crazy calendar like all the over-insanes follow. Their June 47th is our December 18th.
by MST3K I like April 13, 2022
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Slide into calendar

Slide into calendar can be used in these ways:

"Hey Hege, I noticed an empty time slot on your Outlook… mind if I slide into your calendar?"

"First, he asked for a ‘brainstorm session.’ Then, a ‘strategy sync.’ Now, a ‘team lunch’? Hege, he’s definitely sliding into your calendar!"

"I saw him lingering by Hege’s desk all week—dude’s trying to slide into her calendar."
by Calendar Creep February 27, 2025
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calendarically

Referring to dates on a calendar.
My wife and I were speaking calendarically about our vacation.

She thought Jim was calendarically wrong for her.
by Stashik June 08, 2005
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Chanel advent calendar

For $825 it's as bad is coal. Not something you want on your Christmas wishlist unless you are looking for a pack of stickers or a wax seal on a string!
by zomclo December 15, 2021
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Calendar gouge

When an Airbnb host refuses to accept a booking request unless you extend it to fill a gap in their calendar
I tried to go on holiday, and I thought I found the perfect place until I tried to book it and the host turned around and tried to calendar gouge me.
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Calendar Mood

In the mood to be productive, whilst sitting in a chair doing nothing
by Schnorppe October 01, 2023
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