According to this DOL document you should file a claim "... when the strike starts." Guessing that would mean Sunday, though if you made more than $405 for the 2 days we worked you wouldn't be able to claim this week any way. Better safe than sorry ... claim ... all they can do is not make it count toward the 49 days.
http://www.labor.ny.gov/formsdocs/ui/P802.pdf
http://www.labor.ny.gov/formsdocs/ui/P802.pdf