New Wizard of the month on JKR website and her amasing math skills ;)

[Edward]

No: HPFGUIDX 177635

> Geoff:
>
> We have already calculated that the events of the epilogue occur in
> the summer of 2017 when Harry is 27.
>
> Pam:
> My math is worse than anyone I know, but I think Harry would be 37 if
> he was born in 1980, was almost eighteen when DH ended, and then a
> further 19 years had passed.  My son is eight and he was born in
> 1998, and he made a big deal about being exactly the same age as
> Teddy Lupin.

edld:
At the start of Harry Potter and the Deathly Hallows, he celebrates his
17th birthday. A full year had yet gone by, so I figure 17 his current
age plus 19 years later would make him at least 36 That would put him
at about 24 or 25 to have 2 children attending Hogwarts.