Current Date And Time In Diamond Bar, United States
Tuesday, 25 August 2026
10:26:21 PDT
State: California
Currency: United States Dollar (USD)
Timezone: UTC -08:00 (PDT)
Population: 56,897
District: Los Angeles County
Find official public holiday dates and bank operating schedules for Diamond Bar. Stay informed on statutory non-working days for businesses, logistics, and offices in Diamond Bar.
Corporate teams, logistics hubs, and financial offices in Diamond Bar align operating hours with statutory government gazette notifications. Fixed statutory national holidays (such as New Year's Day on January 1) mandate official non-working status for banks and government offices in Diamond Bar.
This is United States's national public holiday calendar — the same live calendar shown on United States's country-level and California holiday pages — embedded here because public holidays are set nationally and apply the same way in Diamond Bar as anywhere else in United States.
◀ Showing upcoming public holidays — use the back arrow in the calendar toolbar to browse earlier dates this year.
These are United States's official statutory fixed-date public holidays — the same national list shown on United States's country and California holiday pages — mandated by national labor law and applicable to financial institutions, schools, and government administration in Diamond Bar just as everywhere else in United States.
| Holiday Name | Fixed Date | Category | Closure Status | Official Source |
|---|---|---|---|---|
| New Year's Day | January 1 | Federal Holiday | Full Federal Closure (Banks, Post Offices & Federal Agencies) | www.opm.gov |
| Juneteenth National Independence Day | June 19 | Federal Holiday | Full Federal Closure (Banks & Government Offices) | www.opm.gov |
| Independence Day | July 4 | Federal Holiday | Full Federal Closure (Banks, Stock Exchanges & Govt Offices) | www.opm.gov |
| Veterans Day | November 11 | Federal Holiday | Full Federal Closure (Banks & Postal Service Closed) | www.opm.gov |
| Christmas Day | December 25 | Federal Holiday | Full Federal Closure (Nationwide Commercial & Govt Closures) | www.opm.gov |
| Birthday of Martin Luther King, Jr. | Third Monday of January | National Holiday (Weekday Rule) | Full Federal Closure (Banks & Govt Offices) | www.opm.gov |
| Washington's Birthday (Presidents Day) | Third Monday of February | National Holiday (Weekday Rule) | Full Federal Closure (Banks & Govt Offices) | www.opm.gov |
| Memorial Day | Last Monday of May | National Holiday (Weekday Rule) | Full Federal Closure (Banks & Govt Offices) | www.opm.gov |
| Labor Day | First Monday of September | National Holiday (Weekday Rule) | Full Federal Closure (Banks & Govt Offices) | www.opm.gov |
| Columbus Day | Second Monday of October | National Holiday (Weekday Rule) | Full Federal Closure (Banks & Govt Offices) | www.opm.gov |
| Thanksgiving Day | Fourth Thursday of November | National Holiday (Weekday Rule) | Full Federal Closure (Banks & Govt Offices) | www.opm.gov |
Statutory holidays landing on a Monday, Friday, Tuesday or Thursday create a long-weekend opportunity — here's what's coming up.
| Holiday | Date | Opportunity |
|---|---|---|
| Labor Day | Mon, Sep 7, 2026 | Automatic 3-day weekend |
| Columbus Day | Mon, Oct 12, 2026 | Automatic 3-day weekend |
| Thanksgiving Day | Thu, Nov 26, 2026 | Take the Friday after off for a 4-day weekend |
| Christmas Day | Fri, Dec 25, 2026 | Automatic 3-day weekend |
| New Year's Day | Fri, Jan 1, 2027 | Automatic 3-day weekend |
| Birthday of Martin Luther King, Jr. | Mon, Jan 18, 2027 | Automatic 3-day weekend |
| Washington's Birthday (Presidents Day) | Mon, Feb 15, 2027 | Automatic 3-day weekend |
| Memorial Day | Mon, May 31, 2027 | Automatic 3-day weekend |
Diamond Bar's bank branches, municipal offices and public schools close on United States's statutory holidays just as they do everywhere else in the country — shops and restaurants more often stay open with adjusted hours rather than closing outright.
A statutory holiday falling on a Saturday or Sunday in Diamond Bar doesn't simply get skipped — United States's gazette process typically moves the observed day off to the following Monday.
With a population of 56,897 and running on the America/Los_Angeles time zone, Diamond Bar follows United States's statutory holiday dates on local calendar days — no cross-timezone adjustment needed for a purely domestic holiday list.