My birthday is July 27th (the old calendar), but now it is September13rd (the new calendar). What constellation is that?

It should be calculated according to the new calendar, and it is Virgo.

Capricorn palace. Compare CAPRICORNUS

( 12/22

-

0 1/ 19)

Aquarius constellation

(0 1/

20-

02/ 18)

fishes

(02/ 19-

03/20)

Aries constellation

(03/2 1

-

04/20)

Taurus constellation

(04/2 1

-

05/20)

Gemini

(05/2 1

-

06/2 1)

Cancer constellation

(06/22-

07/22)

Le Signe du Lion

(07/23

-

08/22)

virgo

(08/23

-

09/22)

libra

(09/23

-

10/23)

Scorpius

( 10/24

-

1 1/22)

Sagittarius

( 1 1/23

-

12/2 1)