Offers and Promotions Harvey Norman 11.11 Sale 2026: Free Delivery, 0% Instalments and a $10 E-Voucher, 5 to 11 Nov Harvey Norman Singapore's 11.11 Sale runs 5 to 11 November 2026, with free delivery, 0% instalment plans up to 24 months and a $10 e-voucher for newsletter sign-ups. Terms apply. Nov 5, 2026