Convert YYYY-MM to YYYY-MM-DD
2025-01 → 2025-01-15
Quick Converter
→
2025-01-15
How to Convert YYYY-MM to YYYY-MM-DD
Converting from YYYY-MM to YYYY-MM-DD involves rearranging the date components:
From
YYYY-MM
2025-01
to
YYYY-MM-DD
2025-01-15
1
Identify the Parts
In YYYY-MM: Year-month format following ISO 8601, ideal for file naming and sorting
2
Rearrange
Reorder to match YYYY-MM-DD format: ISO 8601 standard format, ideal for sorting and international use
3
Adjust Separator
Change the separator from "-" to "-" if needed.
Code Examples
JavaScript
// Convert YYYY-MM to YYYY-MM-DD
function convertDate(dateStr) {
// Parse YYYY-MM
const parts = dateStr.split('-');
const [year, month, day] = parts;
// Format as YYYY-MM-DD
return `${year}-${month}-${day}`;
}
console.log(convertDate('2025-01')); // 2025-01-15
Python
from datetime import datetime
# Convert YYYY-MM to YYYY-MM-DD
date_str = '2025-01'
date = datetime.strptime(date_str, '%Y-%m-%d')
result = date.strftime('%Y-%m-%d')
print(result) # 2025-01-15