Thank you for your query. For your ad, you need to mention the location so that we can give a correct estimation. The cost of the ad depends on the location where you want to publish, in which page you want to publish and in which hue (black and white) you want to publish. You can place your ad in HT City on any day of the week. The size that you have mentioned needs to be customized a bit. Width of the ad is customized in multiple of 4’s so instead of 26 cm (width), you can either take 24 cm or 28 cm. The Height can be of any size. The ads in HT City get published mostly in colour format. You can check the rates of all the locations from the link https://hindustantimes.releasemyad.com/display-ad/ht-city. However, it would be best to send us your ad details via mail to book@releasemyad.com or call us directly at 9356222541 to get the best discounted rates. We also have the 24 x 7 live chat support where our expert team will assist you with all your queries.