# night (temporal)

the time when it is off

- Computed level: L3 (depth in the emergence graph, not abstraction)
- Status: review  ·  Domain: emergence  ·  Arena: general

## Emergence
**Emerges from:** [time](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-time.dimension), [off](https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-off.state)

**Through:** When time is and it is off, a condition happens

**Novel properties:**
- darkness
- rest period
- lower temperature

## Examples
- The Fermilab Tevatron particle accelerator shut down permanently at 2:00 p.m. CDT on September 30, 2011, ending its operational state. *(physics)*
- The 2012 Amazon Web Services outage occurred when a data center entered nighttime maintenance mode in northern Virginia. *(computing)*
- The city of Cape Town turned off streetlights in Zone 4B nightly from 11 p.m. to 5 a.m. during the 2018 water crisis to save energy. *(everyday life)*

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*Canonical: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-night.temporal*  
*Structured data: https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-night.temporal.json*  
*Every definition provably resolves to space, time, energy and pattern.*