My haiku has the classic 5-7-5 syllable pattern and is about a June day:
Mouth open. Gentle summer air -
I was not familiar with Tanka, but in it's classic form it has a syllables per line pattern of 5-7-5-7-7. So here's my homework assignment entitled Old Papers:
Buried in clutter
Scraps of unanswered dreams
Secret gems among rough rocks.
Procrastination mocks me.