---
title: "2028 Calendar with Week Numbers (ISO Weeks, Printable)"
description: "2028 calendar with ISO week numbers on every row and a list of all 52 weeks with start and end dates. Week 1 starts on Monday, January 3, 2028."
canonical_url: "https://calendarbest.com/calendar/2028/week-numbers"
locale: en
meta:
  "og:description": "2028 calendar with ISO week numbers on every row and a list of all 52 weeks with start and end dates. Week 1 starts on Monday, January 3, 2028."
  "og:image": "https://calendarbest.com/og-image-calendar.png"
  "og:title": "2028 Calendar with Week Numbers (ISO Weeks, Printable) | CalendarBest"
  "twitter:description": "2028 calendar with ISO week numbers on every row and a list of all 52 weeks with start and end dates. Week 1 starts on Monday, January 3, 2028."
  "twitter:image": "https://calendarbest.com/og-image-calendar.png"
  "twitter:title": "2028 Calendar with Week Numbers (ISO Weeks, Printable) | CalendarBest"
---

> Index of every page on this site: [llms.txt](https://calendarbest.com/llms.txt)

[**January 2028**](https://calendarbest.com/calendar/2028/01)

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[**February 2028**](https://calendarbest.com/calendar/2028/02)

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[**March 2028**](https://calendarbest.com/calendar/2028/03)

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[**April 2028**](https://calendarbest.com/calendar/2028/04)

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[**May 2028**](https://calendarbest.com/calendar/2028/05)

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[**June 2028**](https://calendarbest.com/calendar/2028/06)

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[**July 2028**](https://calendarbest.com/calendar/2028/07)

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[**August 2028**](https://calendarbest.com/calendar/2028/08)

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[**September 2028**](https://calendarbest.com/calendar/2028/09)

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[**October 2028**](https://calendarbest.com/calendar/2028/10)

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[**November 2028**](https://calendarbest.com/calendar/2028/11)

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[**December 2028**](https://calendarbest.com/calendar/2028/12)

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## **All 52 Weeks of 2028**

| Week | Starts (Mon) | Ends (Sun) | Federal holidays |
| --- | --- | --- | --- |
| **1** | Jan 3, 2028 | Jan 9, 2028 | — |
| **2** | Jan 10, 2028 | Jan 16, 2028 | — |
| **3** | Jan 17, 2028 | Jan 23, 2028 | MLK Day |
| **4** | Jan 24, 2028 | Jan 30, 2028 | — |
| **5** | Jan 31, 2028 | Feb 6, 2028 | — |
| **6** | Feb 7, 2028 | Feb 13, 2028 | — |
| **7** | Feb 14, 2028 | Feb 20, 2028 | — |
| **8** | Feb 21, 2028 | Feb 27, 2028 | Presidents' Day |
| **9** | Feb 28, 2028 | Mar 5, 2028 | — |
| **10** | Mar 6, 2028 | Mar 12, 2028 | — |
| **11** | Mar 13, 2028 | Mar 19, 2028 | — |
| **12** | Mar 20, 2028 | Mar 26, 2028 | — |
| **13** | Mar 27, 2028 | Apr 2, 2028 | — |
| **14** | Apr 3, 2028 | Apr 9, 2028 | — |
| **15** | Apr 10, 2028 | Apr 16, 2028 | — |
| **16** | Apr 17, 2028 | Apr 23, 2028 | — |
| **17** | Apr 24, 2028 | Apr 30, 2028 | — |
| **18** | May 1, 2028 | May 7, 2028 | — |
| **19** | May 8, 2028 | May 14, 2028 | — |
| **20** | May 15, 2028 | May 21, 2028 | — |
| **21** | May 22, 2028 | May 28, 2028 | — |
| **22** | May 29, 2028 | Jun 4, 2028 | Memorial Day |
| **23** | Jun 5, 2028 | Jun 11, 2028 | — |
| **24** | Jun 12, 2028 | Jun 18, 2028 | — |
| **25** | Jun 19, 2028 | Jun 25, 2028 | Juneteenth |
| **26** | Jun 26, 2028 | Jul 2, 2028 | — |
| **27** | Jul 3, 2028 | Jul 9, 2028 | Independence Day |
| **28** | Jul 10, 2028 | Jul 16, 2028 | — |
| **29** | Jul 17, 2028 | Jul 23, 2028 | — |
| **30** | Jul 24, 2028 | Jul 30, 2028 | — |
| **31** | Jul 31, 2028 | Aug 6, 2028 | — |
| **32** | Aug 7, 2028 | Aug 13, 2028 | — |
| **33** | Aug 14, 2028 | Aug 20, 2028 | — |
| **34** | Aug 21, 2028 | Aug 27, 2028 | — |
| **35** | Aug 28, 2028 | Sep 3, 2028 | — |
| **36** | Sep 4, 2028 | Sep 10, 2028 | Labor Day |
| **37** | Sep 11, 2028 | Sep 17, 2028 | — |
| **38** | Sep 18, 2028 | Sep 24, 2028 | — |
| **39** | Sep 25, 2028 | Oct 1, 2028 | — |
| **40** | Oct 2, 2028 | Oct 8, 2028 | — |
| **41** | Oct 9, 2028 | Oct 15, 2028 | Columbus Day |
| **42** | Oct 16, 2028 | Oct 22, 2028 | — |
| **43** | Oct 23, 2028 | Oct 29, 2028 | — |
| **44** | Oct 30, 2028 | Nov 5, 2028 | — |
| **45** | Nov 6, 2028 | Nov 12, 2028 | Veterans Day |
| **46** | Nov 13, 2028 | Nov 19, 2028 | — |
| **47** | Nov 20, 2028 | Nov 26, 2028 | Thanksgiving |
| **48** | Nov 27, 2028 | Dec 3, 2028 | — |
| **49** | Dec 4, 2028 | Dec 10, 2028 | — |
| **50** | Dec 11, 2028 | Dec 17, 2028 | — |
| **51** | Dec 18, 2028 | Dec 24, 2028 | — |
| **52** | Dec 25, 2028 | Dec 31, 2028 | Christmas Day |

## **2028 Week Numbers FAQ**

### **How many weeks are in 2028?**

2028 has 52 ISO weeks. Week 1 runs from Monday, January 3, 2028 to Sunday, January 9, 2028, and week 52 ends on Sunday, December 31, 2028.

### **What week number is January 1, 2028?**

January 1, 2028 is a Saturday, so it belongs to week 52 of 2027. Week 1 of 2028 starts on Monday, January 3, 2028.

### **How are ISO week numbers counted?**

ISO 8601 weeks start on Monday. Week 1 is the week that contains the first Thursday of the year, which is the same as the week that contains January 4. A year has 52 weeks, or 53 when it starts on a Thursday (or on a Wednesday in a leap year).

## **Make a 2028 Calendar PDF**

Open 2028 in the builder, add your own events, and export a PDF.

[Customize the 2028 Calendar](https://calendarbest.com/builder?month=2028-01)

```json
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://calendarbest.com"},{"@type":"ListItem","position":2,"name":"Calendars","item":"https://calendarbest.com/calendar"},{"@type":"ListItem","position":3,"name":"2028","item":"https://calendarbest.com/calendar/2028"},{"@type":"ListItem","position":4,"name":"Week Numbers","item":"https://calendarbest.com/calendar/2028/week-numbers"}]}
```

```json
{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"How many weeks are in 2028?","acceptedAnswer":{"@type":"Answer","text":"2028 has 52 ISO weeks. Week 1 runs from Monday, January 3, 2028 to Sunday, January 9, 2028, and week 52 ends on Sunday, December 31, 2028."}},{"@type":"Question","name":"What week number is January 1, 2028?","acceptedAnswer":{"@type":"Answer","text":"January 1, 2028 is a Saturday, so it belongs to week 52 of 2027. Week 1 of 2028 starts on Monday, January 3, 2028."}},{"@type":"Question","name":"How are ISO week numbers counted?","acceptedAnswer":{"@type":"Answer","text":"ISO 8601 weeks start on Monday. Week 1 is the week that contains the first Thursday of the year, which is the same as the week that contains January 4. A year has 52 weeks, or 53 when it starts on a Thursday (or on a Wednesday in a leap year)."}}]}
```

```json
{"@context":"https://schema.org","@graph":[{"@id":"https://calendarbest.com/#website","@type":"WebSite","description":"Free calendar-to-PDF generator with a visual builder. Design monthly or yearly calendar layouts and export high-quality PDFs.","inLanguage":"en","name":"CalendarBest","url":"https://calendarbest.com/","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://calendarbest.com/builder?q={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"publisher":{"@id":"https://calendarbest.com/#identity"},"workTranslation":[{"@id":"https://calendarbest.com/de#website"},{"@id":"https://calendarbest.com/fr#website"},{"@id":"https://calendarbest.com/es#website"},{"@id":"https://calendarbest.com/it#website"},{"@id":"https://calendarbest.com/pt#website"}]},{"@id":"https://calendarbest.com/calendar/2028/week-numbers#webpage","@type":"WebPage","description":"2028 calendar with ISO week numbers on every row and a list of all 52 weeks with start and end dates. Week 1 starts on Monday, January 3, 2028.","name":"2028 Calendar with Week Numbers (ISO Weeks, Printable)","url":"https://calendarbest.com/calendar/2028/week-numbers","isPartOf":{"@id":"https://calendarbest.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://calendarbest.com/calendar/2028/week-numbers"]}],"primaryImageOfPage":{"@id":"https://calendarbest.com/#logo"}},{"@id":"https://calendarbest.com/#identity","@type":"Organization","description":"Free calendar-to-PDF generator with a visual builder. Design monthly or yearly calendar layouts and export high-quality PDFs.","name":"CalendarBest","url":"https://calendarbest.com","logo":{"@id":"https://calendarbest.com/#logo"}},{"@id":"https://calendarbest.com/calendar/2028/week-numbers#/schema/software-application/1","@type":"SoftwareApplication","applicationCategory":"DesignApplication","name":"CalendarBest","operatingSystem":"Web","offers":{"@type":"Offer","availability":"https://schema.org/InStock","price":0,"priceCurrency":"USD","priceValidUntil":"2027-12-30T00:00:00.000Z"}},{"@id":"https://calendarbest.com/#logo","@type":"ImageObject","caption":"CalendarBest","contentUrl":"https://calendarbest.com/logo.png","inLanguage":"en","url":"https://calendarbest.com/logo.png"}]}
```

## Sitemap

See the full [sitemap](https://calendarbest.com/sitemap.md) for all pages.