Seiko 2J31 - Intercalary Second (Leap Second)

INTERCALARYSECOND(LEAPSECOND)
Normallythereare86,400secondsinaday.Duetoaslightchangeintheearth's
rotation,extrasecondmaybeaddedtoonedayduringtheyear.Thisiscalledthe
intercalarysecond.Everyyearthedecisionismadewhethersuchanadjustment
is needed. When the adjustment takes place, the standard time should be
correctedbydelayingthestandardtimeonesecond.TokeepyourSEIKOwatch
accurate with the world standard time, adjust your watch to a time signal
wheneversuchadjustmentismade.
According to the information from the observatories all over the world, the
standardtimeisdelayedonesecondsimultaneouslythroughouttheworldbythe
GreenwichRoyalObservatory.
IntheGreenwichMean Time, an extrasecondwillbe added to theoneminute
between11:59P.M.and12:00A.M.eitheronDecember31storonJune30th.
Inthe JapanTime,duetothetimedifferentialanextrasecondwillbeaddedto
theoneminutebetween8:59A.M.and9:00A.M.onJanuary1storJuly1st.
However, the adjustment may not be made in some years. Please, check by a
newspaper,etc.whethersuchanadjustmentwillbemadeornot.
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