March 1980
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WED
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THU
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FRI
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20 Vernal Equinox Day
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April 1980
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FRI
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4 Good Friday
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29 Showa Day
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1 Labour Day
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3 Constitution Day
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May 1980
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THU
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29 Showa Day
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1 Labour Day
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3 Constitution Day
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4 Greenery Day
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5 Children's Day
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28 Vesak Day
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