Before standardization each US state maintained dozens of conflicting local time zones

Evidence

The setting of clocks to astronomically local time or, at best, to county seat time led to a proliferation of time zones. Before standard time Michigan had twenty-seven time zones; Indiana, twenty-three; Wisconsin, thirty-nine; Illinois, twenty-seven. The clocks in New York, Boston, and Philadelphia, cities today on identical time, were several minutes apart — James W. Carey, Communication as Culture- Essays on…, 847

Categorization

• corroborated: 2 independent passages support this claim — James W. Carey, Communication as Culture- Essays on…, 847
• XREF: connects to: The telegraph enabled temporal coordination that made standard time zones possible — James W. Carey, Communication as Culture- Essays on…, 857; Local sun-based time produced dozens of conflicting time zones per state — James W. Carey, Communication as Culture- Essays on…, 847; Standardized national time emerged only after instantaneous communications collapsed spatial distance. — Richard J. Lazarus, The Making of Environmental Law, 292

Broader Connections

• Local sun-based time produced dozens of conflicting time zones per state #expands (0.90) — James W. Carey, Communication as Culture- Essays on…, 847