be as honest as the day

be as honest as the day (is long)

to be completely honest You can be as honest as the day is long and still get into trouble if you fill in your tax form incorrectly.

Name	Pronounced	Usage
Yuuki	yoo:-kee	Japanese
Eloise
RogÉRio	roo-ZHE-ryoo	Portuguese
Avishag	-	Hebrew, Biblical Hebrew
Ioses	-	Biblical Greek
Milogost	-	Medieval Slavic