Master German Temporal Prepositions: Seit, Ab, Bis, and Von

When organizing a meeting with a colleague in Munich, scheduling an appointment at the Bürgeramt, or telling a friend how long you have lived in Germany, you rely on temporal prepositions. Words like seit, ab, bis, and von appear in almost every daily conversation.

Yet for many learners, temporal prepositions present distinct challenges. English speakers frequently confuse seit with "for" and "since", struggle with whether ab or von is appropriate for a future date, or pick the wrong grammatical case after bis. Mastering these four foundational prepositions will dramatically boost your fluency, confidence, and accuracy in spoken and written German.

In this comprehensive guide, we will break down the grammatical rules, case requirements, tense pairings, and real-world nuances of seit, ab, bis, and von so you can use them effortlessly.

1. The Foundation: Cases and Time Expressions

In German grammar, every preposition requires a specific grammatical case (Dative, Accusative, or Genitive). When dealing with time expressions (temporale Präpositionen), the case dictates the form of the article, pronoun, or adjective that follows.

• Seit always takes the Dative case.
• Ab takes the Dative case (though articles are often omitted in short expressions).
• Bis takes the Accusative case (frequently merged with other prepositions like zu + Dative: bis zum).
• Von always takes the Dative case.

Understanding which case accompanies each preposition is essential because it alters your articles: der becomes dem in the Dative, die becomes der, and plural nouns add an -n ending where applicable. For a broader look at how case governance works across German, check out our guide on German verbs with prepositions.

2. 'Seit': Actions Starting in the Past Continuing into the Present

The preposition seit translates roughly to both "since" (a specific starting point) and "for" (a duration of time). However, German handles this concept differently than English.

The Present Tense Rule

In English, we say: "I have lived in Berlin for two years." (Present Perfect tense). In German, because the action began in the past and is still ongoing right now, you must use the present tense (Präsens):

• Ich wohne seit zwei Jahren in Berlin. (Correct: I live [and still live] in Berlin since two years.)
• Ich habe seit zwei Jahren in Berlin gewohnt. (Incorrect: This sounds awkward because seit indicates an ongoing situation.)

Key Usages of 'Seit' (Always + Dative)

You can use seit with a duration or with a specific historical timestamp:

• With a duration: Seit einem Monat (Since one month ago / For a month), seit drei Wochen (for three weeks), seit einer Stunde (for an hour).
• With a specific point in time: Seit gestern (Since yesterday), seit 2021 (Since 2021), seit meiner Ankunft (Since my arrival).

Watch out for noun endings: In the Dative plural, remember to add an -n to nouns that do not already end in -n or -s (e.g., das Jahr → zwei Jahre → seit zwei Jahren).

3. 'Ab': Starting Points in the Present and Future

While seit looks backward to an event that started in the past, ab looks forward to a starting point in the present or future. It translates to "from", "as of", or "starting from".

Grammar and Case with 'Ab'

Ab governs the Dative case. However, in German everyday speech and writing, if no article or adjective precedes the noun, the bare noun simply follows ab:

• Ab morgen gilt der neue Fahrplan. (From tomorrow, the new timetable applies.)
• Ab 1. Mai steigen die Preise. (Starting May 1st, prices will increase.)
• Ab 18 Uhr bin ich erreichbar. (From 6 PM, I will be reachable.)

When an article or declinable word is present, Dative endings apply:

• Ab dem nächsten Montag (Starting next Monday)
• Ab welchem Alter darf man hier arbeiten? (From what age is one allowed to work here?)

'Ab' vs. 'Seit': The Crucial Distinction

Compare these two sentences to see the timeline difference clearly:

• Seit nächster Woche arbeite ich hier. — Grammatically impossible (you cannot use seit for future events).
• Ab nächster Woche arbeite ich hier. — Correct (the work starts next week).
• Seit letzter Woche arbeite ich hier. — Correct (started last week and continues).

4. 'Bis': Marking the Ultimate Endpoint

The preposition bis signifies an endpoint in time, translating to "until", "till", or "by". By rule, bis governs the Accusative case, but it behaves in specific ways depending on whether an article is present.

1. 'Bis' without an Article

When used directly with days of the week, months, clock times, or general adverbs, bis stands alone without any article changes:

• Ich arbeite bis 17 Uhr. (I work until 5 PM.)
• Bis morgen! (See you tomorrow / Until tomorrow!)
• Die Bewerbungsfrist läuft bis Freitag. (The application window runs until Friday.)
• Bis bald! (See you soon!)

2. 'Bis zu' (+ Dative) with Articles

When the following time expression requires a definite or indefinite article, German rarely uses bis alone. Instead, it pairs bis with the preposition zu (contracted to zum or zur), which triggers the Dative case:

• Bis zum Ende des Monats (Until the end of the month — das Ende → zu dem Ende → zum Ende)
• Wir haben bis zur letzten Minute gewartet. (We waited until the last minute — die Minute → zu der Minute → zur Minute)
• Bis zum 15. August (By / until August 15th)

5. 'Von': Origins, Fixed Durations, and Combinations

The preposition von (+ Dative) means "from". While it is heavily used for spatial origins (Ich komme von der Arbeit), in temporal contexts it often works in partnership with other prepositions to frame a specific time window.

The Classic Pair: 'Von ... bis ...' (From ... to / until ...)

When you want to state a clear starting point and ending point within a single statement, use von ... bis ...:

• Das Büro ist von 9 bis 17 Uhr geöffnet. (The office is open from 9 AM to 5 PM.)
• Von Montag bis Freitag lerne ich Deutsch. (From Monday to Friday, I learn German.)
• Von Januar bis März war es sehr kalt. (From January to March, it was very cold.)

If articles are used with both boundaries, von fuses into vom (von dem) and bis pairs with zu (zum / zur):

• Vom 1. Juli bis zum 15. Juli habe ich Urlaub. (From July 1st until July 15th, I am on vacation.)
• Vom ersten bis zum letzten Tag (From the first to the last day)

'Von ... an' vs. 'Ab'

You may also encounter von ... an to describe a starting point moving forward:

• Von heute an trinke ich keinen Kaffee mehr. (From today onward, I won't drink coffee anymore.)
• Von klein auf habe ich Musik geliebt. (From childhood on, I loved music.)

In most everyday situations, ab and von ... an are interchangeable (Ab heute... vs. Von heute an...), though ab is far more common in short, administrative, or spoken phrasing.

For more details on prepositional structures and their formal classifications, you can consult the extensive overview on German prepositions on Wikipedia.

6. Temporal Prepositions at a Glance

Here is a quick summary table comparing the four prepositions side by side:

7. Word Order with Temporal Prepositions

In standard German sentences, time elements typically follow the TeKaMoLo rule (Temporal → Kausal → Modal → Lokal), placing the time element first among adverbial descriptions.

For instance, observe the position of the temporal phrase:

• Ich fahre ab morgen (Wann? Temporal) wegen des Streiks (Warum? Kausal) mit dem Fahrrad (Wie? Modal) zur Arbeit (Wohin? Lokal).

Alternatively, you can place the temporal prepositional phrase at the very beginning of the sentence for emphasis. Remember that German follows the Verb-Second (V2) rule in main clauses:

• Seit drei Monaten lerne ich intensiv Deutsch. (Prepositional phrase in Position 1 → Verb lerne in Position 2 → Subject ich in Position 3).

To explore how temporal phrases interact with simple time adverbs like heute or gestern, read our complete breakdown of German adverbs of time.

8. Common Mistakes to Avoid

Even intermediate learners frequently fall into these three common traps:

Mistake 1: Using "für" to express duration for ongoing actions

English speakers tend to translate "for two years" literally as für zwei Jahre. In German, für expresses a planned future timeframe (e.g., Ich fahre für zwei Wochen nach Berlin), but never an ongoing past action. For ongoing actions, always use seit:

• Incorrect: Ich wohne hier für zwei Jahre. (When you mean you moved in 2 years ago and still live there).
• Correct: Ich wohne hier seit zwei Jahren.

Mistake 2: Using "seit" for future appointments

Remember that seit requires the event to have already begun in the past. If you want to say something starts next month, use ab:

• Incorrect: Seit nächstem Monat habe ich einen neuen Job.
• Correct: Ab nächstem Monat habe ich einen neuen Job.

Mistake 3: Forgetting the Dative plural -n

Because seit, ab, and von require the Dative case, make sure plural time words receive the Dative -n:

• Seit drei Tagen (not seit drei Tage)
• Seit sechs Monaten (not seit sechs Monate)

How to Practice and Solidify Temporal Prepositions

Consistent, active practice is the fastest way to make these rules second nature. If you want a structured way to build this habit, the Bretzi app guides you from A0 through C1 with short, sequential lessons that follow everyday life in Germany. With Bretzi, you choose and type answers, fill gaps, arrange words, and spot grammar mistakes with immediate explanations showing why your answer is right or wrong.

When you want to test your active conversational skills, Bretzi's Premium feature SprachBuddy lets you speak German out loud with an AI conversation partner. You can practice real-life situations like scheduling doctor appointments, arranging office hours with von... bis..., or discussing how long you have lived in your city with seit, receiving pronunciation feedback and reviewing the transcript afterwards.

Summary: Checklist for Temporal Prepositions

Before you speak or write, run through this mental checklist:

• Did the action begin in the past and continue now? → Use seit + Dative + Present tense.
• Does the action begin in the present or future? → Use ab (+ Dative).
• Are you naming an ultimate cutoff or deadline? → Use bis (+ Accusative) or bis zu (+ Dative).
• Are you stating both a start and an end point? → Use von ... bis ... (+ Dative).

By applying these basic formulas, temporal prepositions will stop feeling like a guessing game and become an intuitive tool in your daily German communication.