30 Days Ago
Today is Wednesday, October 15, 2025.
30 days ago, it was Monday, September 15, 2025.
This is based on EDT timezone (which we estimate as your local timezone).
Your Last 30 Days Breakdown
Every day counts differently. Here's how your 30 days have been divided:
Last 30 Days Calendar
See your time period at a glance with this calendar highlighting the past 30 days.
September 2025
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 |
October 2025
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 |
Calculate Other Time Periods
Need a different calculation than thirty days ago?
Use our calculator to find any past or future date based on your specific requirements.
In 30 Days the Average Person Has Spent...
Calculate in a Spreadsheet or with Code
Here's how to calculate a date thirty days ago using popular programming languages and tools:
=TODAY() - 30
// PHP
$pastDate = date('Y-m-d', strtotime('-30 days'));
echo $pastDate;
// JavaScript
const pastDate = new Date();
pastDate.setDate(pastDate.getDate() - 30);
console.log(pastDate.toISOString().split('T')[0]);
# Python
from datetime import datetime, timedelta
past_date = datetime.now() - timedelta(days=30)
print(past_date.strftime('%Y-%m-%d'))
// Java
import java.time.LocalDate;
public class DateCalculation {
public static void main(String[] args) {
LocalDate pastDate = LocalDate.now().minusDays(30);
System.out.println(pastDate);
}
}
-- SQL (MySQL) SELECT DATE_SUB(CURDATE(), INTERVAL 30 DAY) as past_date;
Frequently Asked Questions
How accurate is the 30 days ago calculation?
Our calculator provides exact day-by-day calculations, accounting for:
- Exact calendar days (including weekends)
- Business days (Monday through Friday)
- Month transitions
- Leap years when applicable
How do 30 days compare to months?
30 days is approximately 1 months. The exact length can vary since months have different numbers of days (28-31 days).
How many business days are in 30 days?
In the last 30 days there has been 23 business days (Monday-Friday) and 7 weekend days (Saturday-Sunday).
In general, any 30-day period typically contains 20-23 working days and 7-10 weekend days. This can vary depending on which day of the week the period starts and ends.
Last 30 Days Detailed Timeline
Track the journey through time with this detailed breakdown of your 30-day period:
| Date | Day Type | Timeline Position | Season | Moon Phase |
|---|---|---|---|---|
|
September 15, 2025
|
💼 Monday | Day 258, Week 38, Q3 | Fall | 🌕 Full Moon |
|
September 16, 2025
|
💼 Tuesday | Day 259, Week 38, Q3 | Fall | 🌕 Full Moon |
|
September 17, 2025
|
💼 Wednesday | Day 260, Week 38, Q3 | Fall | 🌕 Full Moon |
|
September 18, 2025
|
💼 Thursday | Day 261, Week 38, Q3 | Fall | 🌕 Full Moon |
|
September 19, 2025
|
💼 Friday | Day 262, Week 38, Q3 | Fall | 🌖 Waning Gibbous |
|
September 20, 2025
|
🙌 Saturday | Day 263, Week 38, Q3 | Fall | 🌖 Waning Gibbous |
|
September 21, 2025
|
🙌 Sunday | Day 264, Week 38, Q3 | Fall | 🌖 Waning Gibbous |
|
September 22, 2025
|
💼 Monday | Day 265, Week 39, Q3 | Fall | 🌗 Last Quarter |
|
September 23, 2025
|
💼 Tuesday | Day 266, Week 39, Q3 | Fall | 🌗 Last Quarter |
|
September 24, 2025
|
💼 Wednesday | Day 267, Week 39, Q3 | Fall | 🌗 Last Quarter |
|
September 25, 2025
|
💼 Thursday | Day 268, Week 39, Q3 | Fall | 🌗 Last Quarter |
|
September 26, 2025
|
💼 Friday | Day 269, Week 39, Q3 | Fall | 🌘 Waning Crescent |
|
September 27, 2025
|
🙌 Saturday | Day 270, Week 39, Q3 | Fall | 🌘 Waning Crescent |
|
September 28, 2025
|
🙌 Sunday | Day 271, Week 39, Q3 | Fall | 🌘 Waning Crescent |
|
September 29, 2025
|
💼 Monday | Day 272, Week 40, Q3 | Fall | 🌘 Waning Crescent |
|
September 30, 2025
|
💼 Tuesday | Day 273, Week 40, Q3 | Fall | 🌑 New Moon |
|
October 1, 2025
|
💼 Wednesday | Day 274, Week 40, Q4 | Fall | 🌑 New Moon |
|
October 2, 2025
|
💼 Thursday | Day 275, Week 40, Q4 | Fall | 🌑 New Moon |
|
October 3, 2025
|
💼 Friday | Day 276, Week 40, Q4 | Fall | 🌒 Waxing Crescent |
|
October 4, 2025
|
🙌 Saturday | Day 277, Week 40, Q4 | Fall | 🌒 Waxing Crescent |
|
October 5, 2025
|
🙌 Sunday | Day 278, Week 40, Q4 | Fall | 🌒 Waxing Crescent |
|
October 6, 2025
|
💼 Monday | Day 279, Week 41, Q4 | Fall | 🌓 First Quarter |
|
October 7, 2025
|
💼 Tuesday | Day 280, Week 41, Q4 | Fall | 🌓 First Quarter |
|
October 8, 2025
|
💼 Wednesday | Day 281, Week 41, Q4 | Fall | 🌓 First Quarter |
|
October 9, 2025
|
💼 Thursday | Day 282, Week 41, Q4 | Fall | 🌓 First Quarter |
|
October 10, 2025
|
💼 Friday | Day 283, Week 41, Q4 | Fall | 🌔 Waxing Gibbous |
|
October 11, 2025
|
🙌 Saturday | Day 284, Week 41, Q4 | Fall | 🌔 Waxing Gibbous |
|
October 12, 2025
|
🙌 Sunday | Day 285, Week 41, Q4 | Fall | 🌔 Waxing Gibbous |
|
October 13, 2025
|
💼 Monday | Day 286, Week 42, Q4 | Fall | 🌔 Waxing Gibbous |
|
October 14, 2025
|
💼 Tuesday | Day 287, Week 42, Q4 | Fall | 🌕 Full Moon |
30 Days Ago Recap
Just 30 days ago, on Monday, September 15, 2025, the world kept spinning. Since then, your hair has grown about 0.420 inches, your nails around 0.360 inches, and you've blinked approximately 864,000 times.
The average person has breathed roughly 691,200 times, yawned about 600 times, and produced nearly 45.0 liters of saliva. Your blood has circulated through your entire body approximately 30,000 times, and your stomach has worked through about 60 pounds of food.
The Sun has fused 18,000,000,000 tons of hydrogen into helium, while our planet has traveled 48.0 million miles through space. Light from the Sun has taken 249 minutes to reach Earth each day, bringing us energy, warmth, and the rhythm of day and night.
In technological terms, approximately 10,500,000 tweets were posted each minute, 6,000,000 Instagram photos were shared each hour, and about 150,000,000,000 Google searches were performed by people around the world.
Breaking it down further, that's 720 hours, 43,200 minutes, or precisely 2,592,000 seconds since that Monday morning.