HONOLULU -- All but two post offices in Hawaii will open for business on Christmas Eve, but many will shorten their hours, U.S. Postal Service officials said on Friday.

Regular mail delivery will not be affected, officials said.

Two offices on Pearl Harbor Naval Air Station will be closed at the request of the base commander, USPS officials said.

Forty-five offices will close early to allow workers to start their holiday early. The number of people who go to the post offices goes down drastically, Postal Service Honolulu District Manager Daryl Ishizaki said.

"We view this as an opportunity to afford some of our postal employees more time with their families by closing retail operations in many locations early on Dec. 24," he said.

Most of the locations will close at 2 p.m.

Post Offices Closing Early:

Aiea

Anahola

Barber's Point

Camp Smith

Captain Cook

Eleele

Ewa Beach

Hanalei

Hauula

Hilo Main Office

Hilo Downtown

Honokaa

Honomu

Hoolehu

Kalaheo

Kailua-Kona

Kamuela

Kaneohe

Kapaa

Kapolei

Kealakekua

Kihei

Kualapuu

Kilauea

Kurtistown

Lahaina Main Office

Lahaina Downtown

Laie

Marine Corps Base Hawaii (MCBH)

Maunaloa

Mountainview

Ocean View

Papaaloa

Pearl City

Pepeekeo

Princeville

Pukalani

Puunene

Volcano

Wahiawa

Waialua

Waikiki

Waikoloa

Wailuku

Waipahu