Standard Time Zones
Regional time standards coordinated through railways, telegraph networks, clocks, schedules, and administrative agreements.
Core metadata
- ID: standard_time_zones
- Era: Industrial
- First known date: 1837 (decade)
- Region: Europe, North America, and industrializing regions
- Review status: source_checked
- Maturity: N/A
Prerequisites
- Mechanical Clock Workday Regulation (mechanical_clock_workday_regulation)
- Railroads (railroads)
- Telegraph (telegraph)
Dependents
Fields
- None.
Node sources
- Stockton & Darlington Railway (Encyclopaedia Britannica, 2026, textbook) • Supports: edge, node
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 68%
- Prerequisite sources: 2
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Railroads (railroads) | enabling | 68% | expert_inference | Railroads provides a capability that enables this technology without being the only possible path. |
|
| Telegraph (telegraph) | enabling | 68% | expert_inference | Telegraph provides a capability that enables this technology without being the only possible path. |
|
| Mechanical Clock Workday Regulation (mechanical_clock_workday_regulation) | enabling | 68% | expert_inference | Mechanical Clock Workday Regulation provides a capability that enables this technology without being the only possible path. | No sources recorded. |
This page is generated from canonical era JSON and is indexable by URL.