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   1:27 PM UTC on Tuesday, May 28

2. People also ask

   How accurate is the Hong Kong Observatory's time service?

   • : The Hong Kong Observatory's time service is based on the Caesium beam atomic clock with an accuracy of fractions of a microsecond a day. Such a level of accuracy is important to scientists, industrialists and other professionals whose work requires it.

   The Hong Kong Time Service｜Hong Kong Observatory(HKO)｜Our Ser…

   www.hko.gov.hk/en/wservice/tsheet/timeserv.htm

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   How does the Hong Kong Observatory time server work?

   • The Hong Kong Observatory operates a Network Time Server to enable synchronization of computers with the Hong Kong Observatory standard time. The public can now access the time service through the Internet Time Server of the Observatory at stdtime.gov.hk. The server supports NTP, SNTP, Time and Daytime internet protocols.

   Network Time Service - Hong Kong Observatory

   www.hko.gov.hk/en/nts/ntime.htm

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   How does a atomic clock work in Hong Kong?

   • 1 pps (pulse per second) signals from the Caesium Beam Atomic Clock are used to drive a master clock in the Hong Kong Observatory. The signals from the master clock would then be used to drive other clocks. NTS Hong Kong Standard Time is fed into the Hong Kong Observatory Network Time Server.

   Hong Kong Time Service｜Hong Kong Observatory(HKO)｜Time Services

   www.observatory.gov.hk/en/gts/time/hk_time_services.htm

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   Does the web clock synchronize with time servers of the Hong Kong Observatory?

   • The web clock regularly synchronizes with time servers of the Hong Kong Observatory. No time will be displayed if network connection is lost. The clock will resume automatically upon re-establishment of network connection. This web clock is designed for use in Hong Kong only. Its accuracy is affected by network latency.

   Web Clock｜Hong Kong Observatory(HKO)｜Time Services

   www.hko.gov.hk/en/gts/time/clock_e.html

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3. www.hko.gov.hk › en › gtsWeb Clock｜Hong Kong Observatory(HKO)｜Time Services

   www.hko.gov.hk › en › gts

   The web clock regularly synchronizes with time servers of the Hong Kong Observatory. No time will be displayed if network connection is lost. The clock will resume automatically upon re-establishment of network connection. This web clock is designed for use in Hong Kong only. Its accuracy is affected by network latency. This effect may become ...

4. time.weather.gov.hk › clock_e_iframeWeb Clock｜Hong Kong Observatory(HKO)｜Time Services

   time.weather.gov.hk › clock_e_iframe

   Do you want to know the accurate time in Hong Kong and the world? Check out the web clock from the Hong Kong Observatory, the official timekeeper of the city. You can switch between English and Chinese interfaces, and see the atomic clock time from the Observatory. The web clock is your reliable source of time synchronization.

5. www.observatory.gov.hk › en › gtsHong Kong Time Service｜Hong Kong Observatory(HKO)｜Time Services

   www.observatory.gov.hk › en › gts

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   Synchronization by the Hong Kong Observatory standard time can be performed by the following four methods: By using the Web Clock of the Hong Kong Observatory. By listening to the 6-pip time signals broadcast by RTHK. By using the Dial-a-weather System. Dial (852) 1878200.

6. www.hko.gov.hk › en › ntsNetwork Time Service｜Hong Kong Observatory(HKO)｜Time Services

   www.hko.gov.hk › en › nts

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   The Hong Kong Observatory operates a Network Time Server to enable synchronization of computers with the Hong Kong Observatory standard time. The public can now access the time service through the Internet Time Server of the Observatory at stdtime.gov.hk. The server supports NTP, SNTP, Time and Daytime internet protocols.

7. www.hko.gov.hk › en › wserviceThe Hong Kong Time Service - Hong Kong Observatory

   www.hko.gov.hk › en › wservice

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   The Hong Kong Time Service: The Hong Kong Observatory's time service is based on the Caesium beam atomic clock with an accuracy of fractions of a microsecond a day. Such a level of accuracy is important to scientists, industrialists and other professionals whose work requires it.

8. www.observatory.gov.hk › en › gtsHong Kong Standard Time｜Hong Kong Observatory(HKO)｜Time...

   www.observatory.gov.hk › en › gts

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   Hong Kong Standard Time. The Hong Kong Observatory is the official timekeeper in Hong Kong. The Observatory maintains Hong Kong Standard Time using a Caesium beam atomic clock with an accuracy of better than 0.01 millionth second a day and by regularly exchanging time information with the Bureau international des poids et mesures (BIPM), the ...

9. openday.hko.gov.hk › en › abouthkoKnow More About Our Works - Hong Kong Observatory Open Day 2021

   openday.hko.gov.hk › en › abouthko

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   Today, the Observatory’s time service is based on the caesium beam atomic clock. The latest generation of caesium beam atomic clocks is the product of 40 years of technological evolution since the first caesium beam atomic clock acquired in 1980. Nowadays, it has an accuracy within 0.01 millionths of a second per day. 銫原子鐘40年. Watch on.