EssayJun 25, 2026 · 5 min read

At, on, or in? Using prepositions of time correctly in Dutch

Master the prepositions for hours, days, months, and years so you never miss an appointment in the Netherlands.

ByInburgeringPrep editors
PublishedJun 25, 2026
Reading time5 min
A wooden table in a Dutch cafe with a paper calendar, an analog watch, and a cup of coffee next to a canal window.

You'll learn how to manage Dutch appointments without hesitation or confusion. By the end of this guide, you'll know exactly which preposition to use for every time-related scenario in the A2 exam. In the Netherlands, punctuality is a strict cultural rule. Using the correct voorzetsels van tijd nederlands (prepositions of time in Dutch) ensures you arrive at the gemeente (municipality) or your huisarts (GP) at the right moment. Whether you're talking to an official or a colleague, these small words prevent major misunderstandings.

Use 'om' for specific clock times — Apply the standard preposition for hours and minutes (e.g., 'om drie uur')

Specific clock times always require the word om (at). If your exam paper shows a digital clock reading 09:00, you must write that the class starts om negen uur to receive full credit. Students lose two or three points on the Schrijven (Writing) exam by translating the English word "at" too literally or omitting the preposition. Dutch time uses specific markers that you must pair with om. When you have a lunch date at 12:30, you'll say it is om half een (at half past twelve).

Dutch counts towards the next hour, unlike English. If you arrive fifteen minutes late, you arrive om kwart over een (at a quarter past one). Using om correctly during the Spreken (Speaking) section shows the examiner you have moved beyond basic word-for-word translation.

Time expressions can also involve the word precies (exactly) to emphasize punctuality. You might tell a friend to meet you om precies acht uur (at exactly eight o'clock). If you are referring to a range, you might use rond (around), but om remains the standard for fixed points. Always double-check your bus schedule using the 9292 app to see if the departure is listed om a specific minute.

Use 'op' for days and dates — Identify 'op' as the correct choice for Monday, the weekend, or July 4th

Days of the week and specific dates require the preposition op (on). You'll use this when talking about your work schedule or the days you attend language school. It's common to say op maandag (on Monday) or op vrijdagavond (on Friday evening). If you were born on May 10th, you say op tien mei. While English speakers say "at the weekend," the Dutch equivalent taught for the inburgeringsexamen is in het weekend.

If you have a shift at work, you tell your manager you're available op zaterdag (on Saturday). Dates are formatted with the day first, then the month. You say op twee november (on November 2nd) rather than mentioning the month first. This order is non-negotiable in Dutch administrative culture. When you receive a confirmation for your exam from DUO, it will state the date preceded by op. Memorizing this pairing reduces the mental load during high-pressure exam moments.

Use 'in' for months, seasons, and years — Apply 'in' for longer periods of time like 'in de zomer' or 'in 2024'

Larger blocks of time like months and seasons take the preposition in (in). You might say in de zomer (in the summer) or in januari (in January). Years also use in, but you must never use an article before the number. You say in 2024 without adding the word "het" or any other extra terms. You can talk about your holiday in de herfst (in the autumn) or your plans in de lente (in the spring).

The Dutch zorgverzekeraar (health insurer) usually allows you to switch plans only in januari. Knowing this preposition helps you understand the timing of your rights and obligations in the Netherlands. When discussing historical events or future projections, the year stands alone after the preposition. For example, you might say your child started school in 2022. If you are discussing the duration of your stay, you might mention you arrived in 2019.

Use it confidently when writing your personal biography for the Portfolio Oriëntatie op de Nederlandse Arbeidsmarkt (ONA) module. This usage is straightforward and rarely changes across different exam tasks.

Handle parts of the day with ''s' or 'in de' — Learn the irregular forms for morning, afternoon, evening, and night

Dutch uses two different systems for parts of the day. You can use the formal 's or the more modern in de construction. These irregular patterns often frustrate students because they don't follow the standard rules found in other European languages.

's morgens vs in de ochtend

Both phrases mean "in the morning". You will hear 's morgens in traditional settings or from older native speakers. In the A2 Luisteren (Listening) exam, you might hear a neighbor say they walk their dog 's morgens. You can use both interchangeably in your Spreken (Speaking) test without losing any marks. Most modern textbooks favor in de ochtend for casual conversation.

's middags vs in de middag

The afternoon follows the same logic. Between 12:00 and 18:00, you are 's middags or in de middag. If you receive an invitation for a birthday party, it might say the event starts 's middags. Make sure you don't confuse this with om twaalf uur, which is a specific start time. Pick one version and stick to it during your exam to keep your speech consistent.

's avonds and 's nachts

Evening and night are almost always introduced with the 's prefix. You'll say 's avonds for the evening and 's nachts for the middle of the night. Most people use 's nachts when discussing sleep, emergency services, or late-shift work. These fixed phrases are essential for describing your daily routine to an examiner. It's rare to hear "in de nacht" in daily speech, though it is grammatically possible.

Practice scheduling an A2-level week — Combine all prepositions in a short paragraph about your routine

Let's look at a typical week for a student preparing for their exams. Op maandag (on Monday), you go to language class om negen uur (at nine o'clock). 's Middags (in the afternoon), you study at the library for three hours. Op woensdag (on Wednesday), you have an appointment with the huisarts to check your health. In de winter (in the winter), it gets dark early, so you prefer to stay home and study 's avonds (in the evening). On Friday, you might check your mail from the gemeente.

If you see a date like op 15 juni, mark it in your calendar immediately. You might plan a trip in de zomer (in the summer) to relax after your hard work. This variety shows that you can handle different time scales. Remember that om is for the clock, op is for the day, and in is for the month or year. This simple three-part rule will carry you through most of the A2 curriculum.

Master these small words to ensure your Dutch sounds correct and professional in every official meeting. The single most important takeaway is that om belongs to the clock, op belongs to the day, and in belongs to the month or year.

About the author

InburgeringPrep editors

Writes about the inburgeringsexamen for people going through it right now. Editorial focus on the things textbooks skip — the real DUO format, the rules nobody tells you, the rookie traps.

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