"Sunday is the 12th."

Translation: 星期日是十二号。

[ChrisJones270722]

Come on. You have to have consistency. If previous ways of specifying the date didn't need to include 是, then neither should this.

[Lomochibi]

I'm pretty sure this is DL's way to show us that both are acceptable in positive sentences. However, in the negative you need 是, if the thing you're negating is a noun (like Sunday).

[woa7dSD5]

Not accepting 星期日十二个 is a strange way of showing that it's acceptable.

[Gabrielle145359]

You can't use 个 there, it has to be 号, or the more formal 日.

[laseryohanna]

Would be helpful if Duo would confirm that. However, i had not thought to check for positive vs neg sentences and then to watch for both are acceptable for pos sentences. I can do that. :) Have a lingot

[kdxo4o]

Amen!

[DirkJacob1]

This is outrageous

[Alexsandra882661]

cool

[Mayisoon]

I don't understand why 星期天十二号 is accepted, but 星期日十二号 is not.

[JackMettrick]

I just used 星期天十二号 and got it wrong

[Ayame733760]

十二号是星期日　Is it incorrect?

[BobBowles1]

I would like to know why 周日是十二号 is not accepted?

[Gabrielle145359]

That's more formal, and Duolingo just hasn't taught it.

[Henry298057]

I agree that it is showibg you the more formal way to say it

[mary19939]

I translated it to 12th is on sunday and got an error message.
That is acceptable english

[Gelukservaring]

That doesn't translate the Chinese sentence.

[TonyBerjaya]

十二号是星期日 has the same meaning. Why is it wrong?

[BarbaraDic188222]

I am confused like some others here. I thought the date always comes before the day of the week?

[homunkoloss]

What is the difference between 星期日 and 星期天? When should I use what?

[EmilyZhang613370]

My answer of 星期天是十二号 was incorrect. Shouldn't both 星期日 and 星期天 both be acceptable for Sunday?

[Diego617377]

They accepted me 星期天是十二号... 07/27/2020.

[JesusMendozaCEC]

So is "周日是十二号" incorrect?

[SarahW1062]

It is not usually accepted to write 周日。Usually this character is only used to specify the weekend, like; 周末

[Alexsandra882661]

Ugh

[M92Y3]

星期日是十二号

[FOREIGNVORTEXES]

It would really be helpful if duolingo told us when formal and informal format was being used. Cause seriouslyyyy i had that problem with the Korean course until i realised it fro. somewhere else. It should really just teach us more than words in a sentence. The rest is for figuring out which is not helpful at all

[Ryanwongso]

Why duolingo use instead 星期日 of 礼拜天 as Sunday? Anyone know the difference?

[MrMacSinusMonkey]

"星期天是一十二号" seems not to be accepted.