Date Format in Japan
日本
Date Format Used in Japan
YYYY/MM/DD
Example: 2025/12/31
Other formats also used:
YYYY/MM/DD
YYYY年MM月DD日
Today's Date in Japan Format
2026/12/31
Format Details
| Primary Format | YYYY/MM/DD |
| Separator | / |
| Locale Code | ja-JP |
| Calendar System | Gregorian (also Japanese Imperial Era) |
Note: Year-first format, similar to ISO 8601
Format Dates for Japan in Code
JavaScript
const date = new Date();
// Format for Japan
const formatted = date.toLocaleDateString('ja-JP');
console.log(formatted); // 2026/12/31
Python
from datetime import datetime
import locale
# Set locale for Japan
locale.setlocale(locale.LC_TIME, 'ja_JP')
date = datetime.now()
formatted = date.strftime('%Y/%m/%d')
print(formatted) # 2026/12/31