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[[quoteright:300:[[WesternAnimation/PhineasAndFerb http://static.tvtropes.org/pmwiki/pub/images/PhineasFerb_calendar_7178.jpg]]]]
[[caption-width-right:300:Summer days just breeze on by, don't they?]]

->''Time is flying like an arrow\\
And the clock hands go so fast they make the wind blow\\
And it makes the pages of the calendar go\\
Flying out the window\\
One by one.''
-->-- '''Music/TheyMightBeGiants''', "Hovering Sombrero"

Method used to show the passage of time by repeatedly flipping/tearing off pages of a calendar.

A variation is several shots of calendar pages with consecutive days marked off by large X's to show progress toward a specific, final day which is marked with a large circle.

Compare SpinningClockHands, SpinningNewspaper.

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!!Examples:

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[[folder: Advertising ]]

* BBC 2 based a Channel Ident on this trope.

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[[folder: Anime and Manga ]]

* An early episode of the anime ''SteamDetectives'' uses the X'ed days variation as the Machine Baron counts down to a significant date, and plays it pretty much straight.
* The marked-calendar version was done in an episode of ''Anime/NeonGenesisEvangelion'', during a [[TrainingMontage montage]] that shows Asuka and Shinji training for the battle with the seventh Angel.
* Used in ''Manga/MahouSenseiNegima'' as part of a TrainingMontage as Negi trains to fight Rakan. It's played with slightly, as it's only three days long, but the use of a YearInsideHourOutside training area means that a full month's worth of pages go by.
** Also used during [[spoiler:Yue's]] studies in the Magic World. ''More knowledge. More power.''

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[[folder: Film ]]

* ''PhantomOfTheParadise'' had this when Winslow/The Phantom was imprisoned by Swann.
* ''Film/StrictlyBallroom'' has a well-known blooper in which the exploding calendar has the top page ripped off it so vigorously it exposes the fact that every page of the calendar is marked "November".
* ''Film/DonnieDarko'' has the marked-calendar version counting down to the end of the world.
* ''Film/TheBlueAngel'' has an interesting lead-in to this, where somebody asks the main character for a sheet of paper. After looking around, the only paper he finds is the calendar page, which he pulls off, and then this leads to a scene of the rest of the pages going away.
* The film ''TheBellboy'' shows this happening to a day calendar in February...which promptly goes past February 28th and winds up around February 37th before fading out.

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[[folder: Literature ]]

* Lampshaded in ''Discworld/NightWatch'', where as Vimes traveled back to the present, he felt slightly cheated that something like this didn't happen.
** Also lampshaded in ''Discworld/WyrdSisters'' when the witches move the kingdom of Lancre 15 years. Creator/TerryPratchett explains how such timeskips are easy to show in movies, where they can just [[ExplodingCalendar blow up a calendar]] or let the sun rise and set like crazy. He concludes that this is much harder in books.

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[[folder: Live Action TV ]]

* ''Series/TheDailyShow'' used this device to illustrate the time from the start of a recession to the time economists recognize it as such. At that point, John Hodgman explains, they had to boil their calendars to make soup.
* Played for laughs in ''PairofKings'', with an open window being responsible for the flying pages.
* In ''Series/SledgeHammer'' a ventilator is responsible for the calendar pages flying off.
* Used in ''Series/{{Dinosaurs}}''. Earl frantically tries to stick the previous day back on.

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[[folder: Music Video ]]

* DavidBowie's ShortFilm / long-form video ''Jazzin' for Blue Jean'' does this with a page-a-day calendar to pass the days between the protagonist meeting his dream girl and the day of a big concert he promises to take her to -- but it's suggested the pages are actually blown off all at once on the big day by his hair dryer as he primps, as he's set it on its most powerful setting.

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[[folder: Video Games ]]

* ''VideoGame/TheTownWithNoName'' has exploding calendar happen twice.

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[[folder: Western Animation ]]

* ''WesternAnimation/TheSimpsons'' episode "Bart's Girlfriend" has a parody of this device, showing Bart marking off a series of days only to conclude, "There. I just need to make it this many days," and re-mark the first day.
** ''The Simpsons'' also subverted it in ''Simpsons Comics'', where three characters have been trapped in the trunk of a car. The next shot is of several pages falling off a calendar. Homer looks at the calendar, saying, "Stupid bank calendars. The cheap glue they use never lasts past March."
** They would subvert this again later on, when Gil comes to live with them temporarily (which turns into almost an entire year). A day-per-page calendar is used, stopping on seemingly random days and/or days with obscure of barely celebrated holidays. It even stops on creator MattGroening's birthday.
* ''WesternAnimation/SupermanTheAnimatedSeries'' plays with this trope in an episode featuring Superman's wacky nemesis from the Fifth Dimension, Mister Mxyzptlk. While Mxy is busy constructing his latest invention with which to threaten Superman, the months fly by on his calendar: May, June, July, George, Relish, Pants.
* The opening credits of ''WesternAnimation/PhineasAndFerb''.
* Rather creatively used in ''WesternAnimation/TinyToonAdventures: [[TheMovie How I Spent My Summer Vacation]]''. The calendar in question has a picture of Tweety on it, who comes to life, flies off the calendar, and turns the page to the next month. The next month has a picture of a boat in a storm [[MatchCut which is the location of the next scene]].
* In the ''WesternAnimation/RenAndStimpy'' episode ''Hermit Ren'' this is played with, the calendar starts in the August 1994, and when it reaches January it still reads 1994.
* ''LadyAndTheTramp'': done this as months go by leading up to Junior's birth.
* Used a few times in ''GarfieldAndFriends'' to mark the passage of a lot of time, generally with some trick to it (like the episode where Garfield wished for no more Mondays, and got his wish; the calendar that "exploded" had no Mondays in it). Parodied at least once in a ''U.S. Acres'' segment where several months passed without rain; a monthly calendar lost several pages in this manner before Orson (as narrator) interrupted with "Hey, would somebody fix that calendar?"
* Used near the beginning of ''WesternAnimation/{{Cellbound}}'', with years rapidly flying out of the calendar towards the screen.
* The ''WesternAnimation/{{Futurama}}'' episode "Roswell the Ends Well" does this in reverse. As the characters travel back in time through a NegativeSpaceWedgie, the ship's digital chronometer ticks backwards, eventually turning into a 1947 pinup calendar.
* In the ''WesternAnimation/MikeLuAndOg'' episode "A Freudian Split", we hear Goat and Pig argue with each other as a calender appears to reveal "One Week Later" and "Two Weeks Later".
* In one segment of ''WesternAnimation/RockyAndBullwinkle'', Bullwinkle mentions things to demonstrate the passage of time, including pages falling off a calendar. When he grows a beard, he puts a few pages back on.
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