City history

The Historical Port of Yokohama

A vibrant gateway city that transitioned from a small fishing village to a major international maritime hub.

Chronology of Yokohama 3 chapters 4 min read

Chapter one

Name & etymology

Earliest documented name

Yokohama Japanese
"Side beach"

Historically a small coastal fishing village, the area underwent a massive transformation into a major international treaty port during the mid-19th century.

Pre-Edo Period
Pre-1946 横濱

Side beach

Traditional kanji spelling used prior to mid-20th century reforms.

1946-Present 横浜

Side beach

Modern simplified kanji spelling currently in official use.

Chapter two

Timezone history

Current timezone Asia/Tokyo
Standard
Japan Standard Time
Daylight
No daylight saving time is currently observed in Yokohama.
1886 Standard Time Adoption

Japan officially transitioned from local solar time to a unified national standard time to facilitate modern commerce and synchronization across the islands.

1948 Daylight Saving Time

Following World War II, Japan implemented daylight saving time to conserve energy, though this practice was eventually discontinued in the early 1950s.

Chapter three

Timekeeping milestones

Opening of Yokohama Port Treaty of Amity and Commerce

The opening of the port to international trade marked the beginning of Yokohama's rise as a major global commercial hub.

City Incorporation Municipal Status

The city was officially incorporated, establishing a formal municipal government to manage its rapidly growing population and industrial importance.

Great Kanto Earthquake Natural Disaster

The Great Kanto Earthquake caused immense destruction, forcing the city to rebuild with modern urban planning and improved seismic standards.

Minato Mirai 21 Project Urban Renewal

The Minato Mirai 21 project began, transforming the waterfront into a modern center for business, tourism, and urban living.

An unhandled error has occurred. Reload 🗙