The more accurate response is: 67 years, 7 months and 12 days. This was calculated from December 31, 1958 until today. To illustrate this better, if you were born in 1958 you would be either 67 or 68 years old. 68, if you were born on or before August 13, or 67 if you born after this date.
1958 was 67 years ago because we are now in 2026.
1958 was 811 months ago because it’s August 2026. The calculation goes like this: there are 12 months in each year, so we have 67 x 12 = 804. The seven months passed since the start of 2026 should be added as well, which means 804 + 7 = 811.
1958 was 3528 weeks ago. It’s a bit counterintuitive, but the easiest way is to first calculate the number of days since 1958 and divide that by 7 (the number of days in a week). In this case, 24696 / 7 = 3528.
1958 was 24696 days ago because today is August 13, 2026. Since each year has at least 365 days, we get 67 x 365 = 24455. Next, we need to add the days passed since the beginning of 2026. Then we have 24455 + 224 = 24679. Finally, we take into account the leap years. There were 17 leap years since 1958, so we also have to add 17 more days for a total of 24696.
As an academic exercise, it’s also possible to calculate how many hours passed since 1958. Given that we already know there are about 24696 days between then and now, we can multiply this number by 24 (the number of hours in a day) to get 592704 hours. Since it's currently 4:16 AM, we need to add the 4 hours that have passed since midnight to our subtotal of 592704. So 592704 + 4 = 592708, ergo 1958 was 592708 hours ago.