30 Days Ago
Today is Monday, September 15, 2025.
30 days ago, it was Saturday, August 16, 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.
August 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 |
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 |
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 21 business days (Monday-Friday) and 9 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 |
|---|---|---|---|---|
|
August 16, 2025
|
🙌 Saturday | Day 228, Week 33, Q3 | Summer | 🌕 Full Moon |
|
August 17, 2025
|
🙌 Sunday | Day 229, Week 33, Q3 | Summer | 🌕 Full Moon |
|
August 18, 2025
|
💼 Monday | Day 230, Week 34, Q3 | Summer | 🌕 Full Moon |
|
August 19, 2025
|
💼 Tuesday | Day 231, Week 34, Q3 | Summer | 🌕 Full Moon |
|
August 20, 2025
|
💼 Wednesday | Day 232, Week 34, Q3 | Summer | 🌖 Waning Gibbous |
|
August 21, 2025
|
💼 Thursday | Day 233, Week 34, Q3 | Summer | 🌖 Waning Gibbous |
|
August 22, 2025
|
💼 Friday | Day 234, Week 34, Q3 | Summer | 🌖 Waning Gibbous |
|
August 23, 2025
|
🙌 Saturday | Day 235, Week 34, Q3 | Summer | 🌗 Last Quarter |
|
August 24, 2025
|
🙌 Sunday | Day 236, Week 34, Q3 | Summer | 🌗 Last Quarter |
|
August 25, 2025
|
💼 Monday | Day 237, Week 35, Q3 | Summer | 🌗 Last Quarter |
|
August 26, 2025
|
💼 Tuesday | Day 238, Week 35, Q3 | Summer | 🌗 Last Quarter |
|
August 27, 2025
|
💼 Wednesday | Day 239, Week 35, Q3 | Summer | 🌘 Waning Crescent |
|
August 28, 2025
|
💼 Thursday | Day 240, Week 35, Q3 | Summer | 🌘 Waning Crescent |
|
August 29, 2025
|
💼 Friday | Day 241, Week 35, Q3 | Summer | 🌘 Waning Crescent |
|
August 30, 2025
|
🙌 Saturday | Day 242, Week 35, Q3 | Summer | 🌘 Waning Crescent |
|
August 31, 2025
|
🙌 Sunday | Day 243, Week 35, Q3 | Summer | 🌑 New Moon |
|
September 1, 2025
|
💼 Monday | Day 244, Week 36, Q3 | Fall | 🌑 New Moon |
|
September 2, 2025
|
💼 Tuesday | Day 245, Week 36, Q3 | Fall | 🌑 New Moon |
|
September 3, 2025
|
💼 Wednesday | Day 246, Week 36, Q3 | Fall | 🌑 New Moon |
|
September 4, 2025
|
💼 Thursday | Day 247, Week 36, Q3 | Fall | 🌒 Waxing Crescent |
|
September 5, 2025
|
💼 Friday | Day 248, Week 36, Q3 | Fall | 🌒 Waxing Crescent |
|
September 6, 2025
|
🙌 Saturday | Day 249, Week 36, Q3 | Fall | 🌒 Waxing Crescent |
|
September 7, 2025
|
🙌 Sunday | Day 250, Week 36, Q3 | Fall | 🌒 Waxing Crescent |
|
September 8, 2025
|
💼 Monday | Day 251, Week 37, Q3 | Fall | 🌓 First Quarter |
|
September 9, 2025
|
💼 Tuesday | Day 252, Week 37, Q3 | Fall | 🌓 First Quarter |
|
September 10, 2025
|
💼 Wednesday | Day 253, Week 37, Q3 | Fall | 🌓 First Quarter |
|
September 11, 2025
|
💼 Thursday | Day 254, Week 37, Q3 | Fall | 🌔 Waxing Gibbous |
|
September 12, 2025
|
💼 Friday | Day 255, Week 37, Q3 | Fall | 🌔 Waxing Gibbous |
|
September 13, 2025
|
🙌 Saturday | Day 256, Week 37, Q3 | Fall | 🌔 Waxing Gibbous |
|
September 14, 2025
|
🙌 Sunday | Day 257, Week 37, Q3 | Fall | 🌔 Waxing Gibbous |
30 Days Ago Recap
Just 30 days ago, on Saturday, August 16, 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 Saturday morning.