I will try to guess your birthday after asking 9 yes/no questions!

Don't say your birthday out loud!

Is your birthday marked on the following calendar?

1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 91011121314151617181920212223242526272829 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282930 1 2 3 4 5 6 7 8 910111213141516171819202122232425262728293031JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberyesno