Woensdag werk ik buiten.

Because Dutch main clauses usually follow the verb-second (V2) rule.

If you start the sentence with the subject, you get:

• Ik werk buiten. = I work outside.

But if you put another element first, such as Woensdag, the finite verb must still stay in the second position:

• Woensdag werk ik buiten.

So the order becomes:

• Woensdag — first element
• werk — finite verb in second position
• ik — subject
• buiten — rest of the sentence

This kind of inversion is very common in Dutch.

It is placed first to emphasize the time: Wednesday.

Dutch often puts the time expression first when that is the most important piece of information or simply a natural starting point. English does this too:

• On Wednesday, I work outside.

Dutch can also say:

• Ik werk woensdag buiten.

That is also correct, but Woensdag werk ik buiten sounds very natural if you want to begin with the day.

Usually, no.

Dutch often uses days of the week without a preposition when they function as a time expression:

• Woensdag werk ik buiten. = On Wednesday I work outside.

You can also hear:

• Op woensdag werk ik buiten.

That is also correct. Very roughly:

• woensdag = more direct, simple time expression
• op woensdag = also common, sometimes slightly more explicitly on Wednesday / on Wednesdays, depending on context

So in this sentence, leaving out op is completely normal.

It is capitalized only because it is the first word of the sentence.

In Dutch, days of the week are normally written with a lowercase letter:

• maandag
• dinsdag
• woensdag

So in the middle of a sentence, you would write:

• Ik werk woensdag buiten.

Not Woensdag there.

Werk is the first person singular present tense of werken (to work).

The present tense forms are:

• ik werk = I work
• jij werkt = you work
• hij/zij werkt = he/she works
• wij werken = we work
• jullie werken = you work
• zij werken = they work

So in this sentence, werk matches ik.

Yes.

Dutch often uses the present tense for something in the future, especially if the time is already clear from the sentence.

So:

• Woensdag werk ik buiten.

can mean something like:

• On Wednesday I work outside
• I’m working outside on Wednesday

Because woensdag already tells you when, Dutch does not need a separate future form here.

Here buiten means outside or outdoors.

It is an adverb, not an adjective in this sentence. It tells you where the working happens:

• werk = work
• buiten = outside

So:

• Ik werk buiten. = I work outside.

Dutch often places this kind of location adverb toward the end of the clause.

That word order is generally not the most natural.

More natural options are:

• Woensdag werk ik buiten.
• Ik werk woensdag buiten.
• Ik werk buiten op woensdag. (possible, depending on emphasis)

Dutch has preferences for the order of time, manner, and place elements, and woensdag usually sounds better before buiten in a simple sentence like this.

So a learner should stick with:

• Ik werk woensdag buiten.
• Woensdag werk ik buiten.

It depends on the context.

By itself, Woensdag werk ik buiten can mean:

• On Wednesday, I work outside (a specific upcoming Wednesday), or
• sometimes a general statement if the situation makes that clear

If you want to make the repeated meaning clearer, Dutch often uses:

• Op woensdag werk ik buiten. = I work outside on Wednesdays / on Wednesday

Or even:

• Elke woensdag werk ik buiten. = Every Wednesday I work outside

So context decides a lot here.

It is pronounced roughly like:

• WOONZ-dakh
  or
• WOONS-dakh

The spelling can look harder than the actual pronunciation. In normal speech, the middle part is often reduced.

A rough IPA pronunciation is:

• /ˈʋunsdɑx/

A few tips:

• w in Dutch is not exactly the English w; it is closer to a soft v/w sound
• oe sounds like oo in food
• g at the end is the guttural Dutch sound

So do not try to pronounce every letter as in English spelling.

You can, because Dutch allows different elements to come first, but it changes the emphasis.

• Buiten werk ik woensdag. emphasizes outside
• Woensdag werk ik buiten. emphasizes Wednesday

Both follow the same V2 rule: the first element comes first, and the finite verb stays second.

For most neutral situations, Woensdag werk ik buiten is the more natural choice if the day is what you want to highlight.