Navaratri Calendar 2018

Pratipada: 10th. October, 2018, Wednesday (Ghatasthapana)

Color of the Day:  Royal Blue (Gujarat & N. India)

Dwitiya: 11th. October, 2018, Thurday

Color of the Day:  Yellow (Gujarat & N. India)

Tritiya: 12th. October, 2018, Friday

Color of the Day: Green (Gujarat & N. India)

Chaturthi: 13th. October, 2018, Saturday

Color of the Day:  Grey (Gujarat & N. India)

Panchami: 14th. October, 2018, Sunday

Color of the Day: Orange (Gujarat & N. India)

Shashti: 15th. October, 2018, Monday

Color of the Day: White (Gujarat & North India)

Saptami: 16th. October, 2018, Tuesday

Color of the Day: Red (Gujarat & N. India)

Ashtami: 17th. October, 2018, Wednesday - Durgashtami

Color of the Day:  Sky Blue (Gujarat & N. India)

Navami: 18th. October, 2018, Thursday - Saraswati Puja/Ayudha Puja
Color of the Day:  Pink (Gujarat & N. India)

Dasami: 19th. October, 2018, Friday - Vijayadasami

Sources: 

https://www.drikpanchang.com/navratri/navratri-date.html?year=2018

https://india-public-holidays.com/tamil-nadu/2018