when two Sundays meet

Never. Usually said sarcastically. A: "When are you going to help me clean out the garage?" B: "How about when two Sundays meet?"

Name	Pronounced	Usage
VladimÍR	-	Czech, Slovak
Shealtiel	shee-AHL-tee-əl (English)	Biblical
Aragorn	-	Literature
Callie	['kɔ:li]
Kunal	-	Indian, Hindi, Marathi, Bengali, Gujarati, Punjabi
Fabijan	FAH-bee-yahn (Croatian)	Croatian, Slovene