=SUMPRODUCT(--(TEXT(A1:A25,"mmm")=B1))

Neater !

... but think the range A1:A25 needs to be fixed: $A$1:$A$25
before copying down from C1 <g
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Rgds
Max
xl 97
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GMT+8, 1° 22' N 103° 45' E
xdemechanik <atyahoo<dotcom
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