Smallest age gap you've had

There is this thread about the biggest age gap between you and your partner. Not let's talk about the smallest one.

1.5 years older woman.
3 years younger woman.

 

My exwife is 2 days older than I. I doubt I'll ever get closer than that.

 

My husband is 6 months younger than me.

 

My wife is 2 months (68 days to be exact) younger than me.

 

Late wife was 8 days older than me.
Current wife is 8 months younger.

 

My ex-#1 poly wife was 15 days older than me.

 

Older was exactly 5 months and younger 13 days