A more accurate response 18 years, 5 months and 27 days. This duration was calculated last day of 2007 (December 31) until today. As an example, people born in 2007 are 18 or 19 years old. Those born on or before June 28, are 19, while those born after, are still 18 years old.
2007 was 18 years ago because we are now in 2026.
2007 was 221 months ago because we are now in June 2026. Here's how to calculate this: there are 12 months in a year so, 18 x 12 = 216. Five months have passed since the start of 2026 which also need to be added, meaning 216 + 5 = 221.
2007 was 964 weeks ago. The trick I like to use is to first calculate how many days have passed since 2007 and divide that number by 7 (days in a week). In short, 6753 / 7 = 964.71, but only the quotient is relevant here, 964.
2007 was 6753 days ago because today is June 28, 2026. Each year has at least 365 days, so 18 x 365 = 6570. To this we add the days passed since the beginning of 2026. Then we have 6570 + 178 = 6748. But what about leap years? Yes, there were 5 leap years since 2007, so we also need to add 5 extra days for a total of 6753.
If you want to, you can take it up one step further. You can also calculate how many hours passed since 2007. Since we already know the number of days, it would be 24 x 6753 = 162072. Right now it’s 8:48 PM, meaning we have to add 20 (hours passed since midnight) to 162072. So 2007 was 162092 hours ago.
A lot went on in 2007, but for a quick glimpse of the most memorable events, take a look at the cover of TIME Magazine’s “The Year In Review 2007”.