30 Days Ago
What date is 30 days before today? The answer below was computed when this page was built; the live answer changes daily, so use the formula or the worked examples for any date you choose.
As of build time (April 27, 2026)
Saturday, March 28, 2026
Unix timestamp: 1774656000 · ISO 8601: 2026-03-28T00:00:00Z
Worked Examples From Reference Dates
| Start Date | 30 days before | Unix Timestamp |
|---|---|---|
| January 1, 2024 | Saturday, December 2, 2023 | 1701475200 |
| July 4, 2024 | Tuesday, June 4, 2024 | 1717459200 |
| January 1, 2025 | Monday, December 2, 2024 | 1733097600 |
| June 15, 2025 | Friday, May 16, 2025 | 1747353600 |
| January 1, 2026 | Tuesday, December 2, 2025 | 1764633600 |
How to Calculate This Yourself
JavaScript (with day.js)
dayjs().subtract(30, 'day').format('YYYY-MM-DD')
Python
from datetime import date, timedelta result = date.today() - timedelta(days=30)
Bash (GNU date)
date -d "-30 days" +"%Y-%m-%d"