--- title: Day and night, shadows and sundials — a lesson of Mova's school · trees and pragmatics description: «Day and night, shadows and sundials», a lesson of the world course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: The Sun does not go anywhere at night. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / Day and night, shadows and sundials # Day and night, shadows and sundials Lesson 118 of the world course of Mova's primary school: 20 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/world/118-day-night-shadows-sundials/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/0/) — The Sun does not go anywhere at night. - [1](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/1/) — The Earth spins once about every 24 hours, like a ball spun on a finger, and the half facing the Sun has day while the other half has night. - [2](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/2/) — Sunrise is your side turning towards the Sun; sunset is your side turning away. - [3](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/3/) — Shadows show where the Sun is. - [4](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/4/) — At midday the Sun is highest and your shadow is short and stubby; in the morning and evening the Sun is low and your shadow stretches out like a giant's. - [5](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/5/) — A sundial is a stick, called a gnomon, that throws a shadow onto marks; as the Earth turns, the shadow creeps round like a clock hand. - [6](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/6/) — It tells Sun time, so in British summer time it reads an hour behind the watch, and on a cloudy day it tells nothing at all. - [7](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/7/) — Because the Earth is tilted, places far from the equator have long summer days and short winter days: in London the Sun sets at about 9:20 pm in late June and about 3:50 pm in late December. - [8](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/8/) — Near the poles the Sun can stay up for weeks in summer, while in Singapore, near the equator, day and night are each about 12 hours all year. - [9](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/9/) — Early risers are "larks", like the birds that sing at dawn, and people who stay up late are "night owls"; Australians say "up at sparrow's" for up at first light. - [10](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/10/) — The Earth spins once on its axis about every 24 hours. - [11](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/11/) — The side of the Earth facing the Sun has day, and the side facing away has night. - [13](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/13/) — A sundial tells the time by the shadow of a stick called a gnomon, which moves round as the Earth turns. - [14](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/14/) — A sundial shows Sun time; in British summer time clocks are 1 hour ahead of it, so 1 pm on a sundial is 2 pm on a watch. - [15](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/15/) — A sundial does not work on a cloudy day or at night, because there is no shadow. - [16](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/16/) — The Earth's axis is tilted, so away from the equator summer days are long and winter days are short. - [17](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/17/) — In London the Sun sets at about 9:20 pm in late June and about 3:50 pm in late December, about 5 and a half hours earlier. - [19](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/19/) — Near the equator, as in Singapore, day and night are each about 12 hours long all year. - [20](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/20/) — In Britain dawn can be before 5 am in summer and after 7:30 am in winter. - [21](https://md.mova.elamur.ai/free/en/corpora/school/world/118-day-night-shadows-sundials/21/) — "Up with the larks" means up very early, a "night owl" stays up late, and in Australia "sparrow's" means very early, at first light. - ← previous: [Other calendars: Chinese New Year, Islamic and Jewish calendars, and Christmas in Ukraine](https://md.mova.elamur.ai/free/en/corpora/school/world/117-other-calendars/) - next →: [The Moon's month and the year round the Sun](https://md.mova.elamur.ai/free/en/corpora/school/world/119-moon-month-and-year/) - ↑ back to [World](https://md.mova.elamur.ai/free/en/corpora/school/world/)