On the naturalness of a sentence, and whether だけまで or までだけ can be used


> ふくろうのストレスにならないように、見たり写真を撮ったりするのは午後6時までにしています。
> [NHK](https://www3.nhk.or.jp/news/easy/k10013629851000/k10013629851000.html)  
>  So as not to cause stress to the owls it has been decided that viewing and
> taking pictures will be until 6 o'clock.

Not even certain I've translated this correctly. It feels like there is
something missing. To my non-native brain, at least, it seems like it's
lacking a potential form or some kind of expression of 'only'. Maybe
見たり写真を撮ったり **できる** のは6時までにしています.

I'd really like to add an 'only' as well: 見たり写真を撮ったりできるのは6時 **だけ** までにしています.
But then I started to wonder whether it should be までだけ or だけまで or whether they
are both unnatural.

Could you please comment on the naturalness of all these variations of the
sentence?




The translation is correct. (Just in case, にしています means _(we) have made it a
rule that.._ )

Regarding _only until 6 o'clock_ , it follows the basic rule of 'reversing'.
That is, Japanese uses post-positions which reverses the English prepositions.
So までだけ is the correct one. (If _until only_ works in English, forget the
explanation.)

Regarding できる, it sounds natural when it is talking about the speaker allowing
someone to take pictures, e.g. in case of a zoo. Here it seems to refer to
their own taking pictures, so 撮ったりする is correct. Note if it says that they
can't take picture because it gets dark, then 見たり写真を撮ったりできるのは6時までです is
correct.

Nothing should be technically wrong about 6時までだけにしています, but I feel 6 o'clock
may be rather too usual to use _only_. Possibly it is early for owls, in which
case using までだけ is fair.




The translation is correct. (Just in case, にしています means _(we) have made it a
rule that.._ )

Regarding _only until 6 o'clock_ , it follows the basic rule of 'reversing'.
That is, Japanese uses post-positions which reverses the English prepositions.
So までだけ is the correct one. (If _until only_ works in English, forget the
explanation.)

Regarding できる, it sounds natural when it is talking about the speaker allowing
someone to take pictures, e.g. in case of a zoo. Here it seems to refer to
their own taking pictures, so 撮ったりする is correct. Note if it says that they
can't take picture because it gets dark, then 見たり写真を撮ったりできるのは6時までです is
correct.

Nothing should be technically wrong about 6時までだけにしています, but I feel 6 o'clock
may be rather too usual to use _only_. Possibly it is early for owls, in which
case using までだけ is fair.

