届时

届时	jiè shí	when the time comes / at the scheduled time
届	jiè	to arrive at (place or time) / period / to become due / classifier for events, meetings, elections, sporting fixtures, years (of graduation)
时	shí	old variant of 时
时	Shí	surname Shi
时	shí	(bound form) time; hour; period; season / (after a numeral) o'clock; hour(s) / (after a verb phrase or clause) when; while