| The time period when the sun is no more than 6 degrees below the horizon at either sunrise or sunset | Browsing and search activity while using Verizon Media websites and apps• Precise location You can select ' Manage settings' for more information and to manage your choices |
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| The sun does not contribute to the illumination of the sky before this time in the morning, or after this time in the evening | Information about your device and Internet connection, including your IP address• Find out more about how we use your information in our and |
| Yr is a joint service by the Norwegian Meteorological Institute and the Norwegian Broadcasting Corporation• The horizon should be clearly defined and the brightest stars should be visible under good atmospheric conditions i | The time period when the sun is between 12 and 18 degrees below the horizon at either sunrise or sunset |
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| One still should be able to carry on ordinary outdoor activities | In the beginning of morning astronomical twilight and at the end of astronomical twilight in the evening, sky illumination is very faint, and might be undetectable |