Search for "John Dalziel" returned 3 results

27 min

A brief history of Time Zones and Daylight Saving Time

• 27 min
• 2022-06-03
• 130
• John Dalziel
Electromagnetic Field 2022

26 min

A Brief History of Calendar Systems and Movable Feasts

• Stage B 2024
• 26 min
• 2024-06-01
• 57
• John Dalziel
Electromagnetic Field 2024

27 min

A brief history of Leap Seconds

• 27 min
• 2018-09-02
• 133
• John Dalziel
Electromagnetic Field 2018