Keyword
previous
Info
FrequencyTop 500-600
Type
Kyōiku (4th grade) 
?
KankenLevel 7
Heisig1222
Readings
さく
(85%)
よ
(12%)
さっ
(1%)
Composed of
sun
while
Mnemonic

While the sun is shining and everything is perfect we can forget about all of the bad things that happened the previous day.

Used in vocabulary (43 in total)
yesterday
last night; yesterday evening
Examples (200 in total)
I no longer mind what happened yesterday.
By the way, what happened to that girl from yesterday?
Come to think of it, I feel like you've been looking down ever since yesterday.