NB. date names

MONTH3=: _3 <\ 'JanFebMarAprMayJunJulAugSepOctNovDec'

MONTHS=: <;._2 (0 : 0)
January
February
March
April
May
June
July
August
September
October
November
December
)

WEEKDAY3=: _3 <\'SunMonTueWedThuFriSat'

WEEKDAYS=: <;._2 (0 : 0)
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
)
