Latem zamykam żaluzje, kiedy słońce świeci prosto do pokoju.

Latem means in summer or during the summer.

It is an adverbial form built from lato (summer). For a learner, the easiest way to remember it is simply as a fixed time expression:

• latem = in summer
• compare:
  • zimą = in winter
  • wiosną = in spring
  • jesienią = in autumn

So in this sentence, Latem sets the time frame for the whole action: it tells you this is something the speaker does in summer.

Zamykam is the imperfective present form of zamykać (to close).

That is the natural choice here because the sentence describes a habitual/repeated action:

• Latem zamykam żaluzje... = In summer I close the blinds... / I tend to close the blinds...

If you used zamknę, that would be perfective and would normally refer to one completed future action:

• Zamknę żaluzje = I’ll close the blinds

So:

• zamykam = repeated, habitual, ongoing type of action
• zamknę = one completed action in the future

Yes. In Polish, the present tense is often used for habits, routines, and general truths, just like in English.

So zamykam here means something like:

• I close
• I usually close
• I close them whenever...

It does not have to mean that the speaker is closing them right this second.

Polish usually does not need subject pronouns when the verb already makes the subject clear.

• zamykam already means I close
• the ending -am tells you the subject is I

So ja is normally omitted unless you want emphasis or contrast:

• Ja zamykam żaluzje, nie ty. = I close the blinds, not you.

In a neutral sentence, leaving out ja sounds more natural.

Yes. Żaluzje is the plural form and means blinds.

In English, blinds is also usually plural, so the usage matches nicely.

In this sentence, żaluzje is the direct object of zamykam, so it is in the accusative plural. For this noun, the accusative plural looks the same as the nominative plural:

• nominative: żaluzje
• accusative: żaluzje

So even though the form does not change visibly, its function in the sentence is object.

Both can be translated as types of blinds, but they are not exactly the same thing.

• żaluzje usually means slatted blinds with horizontal or vertical slats
• rolety usually means roller blinds/shades

So this sentence specifically uses żaluzje, not a general catch-all word for every window covering.

Yes, kiedy and gdy can both mean when in this kind of sentence.

• kiedy słońce świeci... = when the sun shines...
• gdy słońce świeci... would also be correct

Very broadly:

• kiedy is extremely common and neutral
• gdy can sound a bit more literary or formal in some contexts, though it is also common

Here, kiedy is a very natural everyday choice.

Because kiedy słońce świeci prosto do pokoju is a subordinate clause.

Polish punctuation normally uses a comma before subordinating conjunctions such as:

• kiedy = when
• że = that
• bo = because
• jeśli = if

So the comma here is standard and expected.

Świeci is the 3rd person singular present form of świecić, which often means:

• to shine
• to give off light

So:

• słońce świeci = the sun is shining / the sun shines

In this sentence, it refers to sunlight coming in strongly and directly.

Literally, it means something like straight into the room or directly into the room.

Breakdown:

• prosto = straight, directly
• do = to, into
• pokoju = room in the genitive

So the phrase suggests that the sunlight is coming directly inward, not just shining somewhere nearby.

Because the preposition do requires the genitive case.

The noun is pokój (room), but after do it changes to pokoju:

• pokój = nominative
• do pokoju = genitive after do

This is a very important Polish pattern:

• do domu = into/to the house
• do szkoły = to school
• do pokoju = into the room

So do pokój would be ungrammatical.

Yes, but the nuance changes a little.

• prosto do pokoju sounds natural and everyday
• bezpośrednio do pokoju also means directly into the room, but it can sound a bit more formal or heavier

In ordinary speech, prosto is often the more idiomatic choice here.

Yes. Polish word order is more flexible than English word order, although different orders can shift emphasis.

The original sentence:

• Latem zamykam żaluzje, kiedy słońce świeci prosto do pokoju.

Possible alternatives:

• Kiedy słońce świeci prosto do pokoju, latem zamykam żaluzje.
• Żaluzje zamykam latem, kiedy słońce świeci prosto do pokoju.

These are grammatically possible, but the original sounds very natural and neutral. Starting with Latem gives a nice topic frame: as for summer...

It most naturally suggests a habitual general action:

• In summer, I close the blinds when the sun shines directly into the room.

So it does not necessarily mean every single time without exception, but it does describe a regular pattern or usual response.

That habitual meaning comes mainly from:

• Latem = general time frame
• zamykam = imperfective present, good for routines
• kiedy... = when/whenever in context

A rough English-friendly guide would be:

LA-tem za-MY-kam zha-LUZ-ye, KYE-dy SWON-tseh SHFYEH-chee PROS-to do po-KO-yu

A few useful pronunciation notes:

• ż sounds like the s in measure
• ś is a soft sh sound
• ci in świeci sounds roughly like chee, but softer
• ł sounds like English w
• ó sounds like oo
• j sounds like English y

So pokoju is roughly po-KO-yu.