Seiko 7B26 manual What is a Time ZONE?, Time Zone and Time Difference

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WHAT IS A TIME ZONE?

TIME ZONE AND TIME DIFFERENCE

Time zone means the region where the common standard time is used. There are 24 time zones around the world based on time differences from UTC (Universal Coordinated Time). In some regions daylight saving time (DST) is adopted.

[What is UTC (Universal Coordinated Time)?]

UTC is the universal standard time coordinated through international agreement. It is used as the official time around the world. UTC is determined by adding a leap second to GMT (Greenwich Mean Time), which is determined through astronomical measurement, in order to keep the precise time.

[What is summer time (DST)?]

Summer time is daylight saving time. Advancing the watch one hour to prolong daytime during longer daylight hours in summer. Daylight saving time has been adopted in about 80 countries, mainly in Europe and North America. The adoption and duration of daylight saving time vary depending on the country.

24 TIME ZONES AND TIME DIFFERENCES FROM UTC

EUROPE (DCF77 from Germany)

	Date line
JAPAN(JJY)	THE UNITED
	THE UNITED
	STATES (WWVB)

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Contents Page Contents Features Automatic Time SettingDisplay and Button Operation NUnable to receive radio signalsRefer to HOW to Check the Reception Result on pages Reception on pagesHOW to Operate Screw Lock Type Crown HOW to USE Button BHOW to Press Button B Screw Lock Type CrownCharging the Solar Battery HOW to Charge the WatchStandard Charging Time Checking the Charging Status by the Movement Second HandEnergy Depletion Forewarning Function Power Save Function Power SavePower Source Overcharge Prevention FunctionSetting the Time by Receiiving Radio Signal What is a RADIO-CONTROLLED WATCH?Automatic Hand Alignment Radio Signal Reception Official standard frequency in Germany DCF77Radio Signal Reception Range Germany DCF77 JapanJJY United States WwvbUnited States Wwvb Japan JJYRADIO-CONTROLLED Watch on Manual Reception Three seconds or longerHOW to Check the Reception Result Press Button a onceTo Enable the Watch to Receive Radio Signals Easily Radio Signal Reception RANGE…pagesAppropriate Place to Keep a RADIO-CONTROLLED Watch Time Zone Adjustment HOW to USE the Time Zone Adjustment FunctionP40 What is a Time ZONE? Time Zone and Time DifferenceTime Zones and Time Differences from UTC Time Zone Display Daylight Saving TimeEllingto HOW to SET the Time Zone HOW to Select the Time ZoneHOW to SET Summer Time Summer Time Automatic Change FunctionEnglish Examples of Time Zone Adjustment Crown cannot be operatedWatch resumes Its normal movement If it is left untouched USE Button B HOW to Manually SET the Time and Date Manual Time SettingRefer to the Screw Lock Type Crown on Manual Date Setting HOW to Reset the BUILT-IN IC Abnormal Display or Improper FunctionPreliminary Position Checking and Setting for the Calendar To USE Button BSpecifications Run for approximately one year and a halfPossible Troubleshooting Trouble Possible causeTrouble Possible cause Misalign English