---
title: The Earth turns 360 degrees in 24 hours, which is 15 degrees every h… — Time zones: why it's night in Sydney when it's d… · tree and pragmatics
description: The Earth turns 360 degrees in 24 hours, which is 15 degrees every hour, so time zones are roughly 15-degree slices. Who acts: Earth, 24 hours, time zones. A sentence of the lesson «Time zones: why it's night in Sydney when it's day in London» of the world course of Mova's primary school with its de
---

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# Time zones: why it's night in Sydney when it's day in London, sentence 2

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The Earth turns 360 degrees in 24 hours, which is 15 degrees every hour, so time zones are roughly 15-degree slices.

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**Who acts:** Earth, 24 hours, time zones · **What happens:** turn, be · **To what, where:** 360 degrees, 15 degrees, degree slices

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This is a sentence of the lesson «Time zones: why it's night in Sydney when it's day in London» of the world course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Earth, 24 hours, time zones), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:120-time-zones.lesson:2
# text = The Earth turns 360 degrees in 24 hours, which is 15 degrees every hour, so time zones are roughly 15-degree slices.
# source = school lesson (ours)
# course = world
# lesson = 120-time-zones.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×2, R8-pos-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	3	nsubj	_	Agree=R8-pos-agree|Haiku=3:nsubj|HaikuPos=NOUN:NN:Number=Sing
3	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	360	360	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
5	degrees	degree	NOUN	NNS	Number=Plur	3	obj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	24	24	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	hours	hour	NOUN	NNS	Number=Plur	3	obl	_	Agree=R5-strong|Haiku=5:nmod
9	,	,	PUNCT	,	_	13	punct	_	_
10	which	which	PRON	WDT	PronType=Rel	13	nsubj	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	_	_
12	15	15	NUM	CD	NumForm=Digit|NumType=Card	13	nummod	_	_
13	degrees	degree	NOUN	NNS	Number=Plur	8	acl:relcl	_	_
14	every	every	DET	DT	PronType=Tot	15	det	_	_
15	hour	hour	NOUN	NN	Number=Sing	13	nmod	_	Agree=R7-rel-agree|Haiku=13:obl:unmarked
16	,	,	PUNCT	,	_	25	punct	_	_
17	so	so	ADV	RB	_	25	advmod	_	_
18	time	time	NOUN	NN	Number=Sing	19	compound	_	_
19	zones	zone	NOUN	NNS	Number=Plur	25	nsubj	_	_
20	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	25	cop	_	_
21	roughly	roughly	ADV	RB	_	25	advmod	_	_
22	15	15	NUM	CD	NumForm=Digit|NumType=Card	24	nummod	_	_
23	-	-	PUNCT	HYPH	_	22	punct	_	_
24	degree	degree	NOUN	NN	Number=Sing	25	compound	_	_
25	slices	slice	NOUN	NNS	Number=Plur	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
26	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | present | the Earth | 360 degrees |  |  | hour |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent degree=Theme |
| 2 | **is a** | present | 24 hours | 15 degrees |  |  | hour |  | tree rules |
| 3 | **is a** | present | time zones | degree slices |  |  |  | roughly *property* | tree rules |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:world:120-time-zones.lesson:2`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×2, R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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