Partial ひらがな sentences (why ことし, きのう, きょう, あす?) I was watching a news broadcast on YouTube and when it moved over to the weather report, I noticed that was actually written as . Also was also written as . It wasn't just the weather report but some other parts of the programme such as the main stream headlines, . Why are these sentences or should I say, just the start of the sentence written in and not full ? Does it depend on the news programme? I asked my Japanese friend and he said he didn't know or even realise it. For reference, I was watching (16:15) when I first noticed it. Thanks

This is related to the fact that and have two readings. According to the July 2008 issue of :

> ###
>
> ///

**EDIT:** This is NHK's house rule, so a different media company may have a different rule about this.

Related:

* Difference between and