---
kind: "section"
citation: "37 C.F.R. § 11.4"
title: "37"
number: "11.4"
heading: "Computing time."
url: "https://uscodex.org/cfr/37/11.4"
---

# §11.4. Computing time.


Computing time. The following rules apply in computing any time period specified in this part where the period is stated in days or a longer unit of time:

- (a) Exclude the day of the event that triggers the period;
- (b) Count every day, including intermediate Saturdays, Sundays, and legal holidays; and
- (c) Include the last day of the period, but if the last day is a Saturday, Sunday, or legal holiday, the period continues to run until the end of the next day that is not a Saturday, Sunday, or legal holiday.

## Notes

### Amendments

[86 FR 28452, May 26, 2021]

### Authority

Authority: 5 U.S.C. 500; 15 U.S.C. 1123; 35 U.S.C. 2(b)(2), 32, 41; Sec. 1, Pub. L. 113-227, 128 Stat. 2114.

### Source

Source: 69 FR 35452, June 24, 2004, unless otherwise noted.

### Amendments

[86 FR 28452, May 26, 2021]