The best places to travel during New Year's are Times Square in New York, The Palm Beaches in Florida, Niagara Falls, Cartagena and Madrid. Times Square is synonymous with New Year's Eve across the world, while The Palm Beaches offer a nightly light show. At Niagara Falls, visitors can see the cascading water illuminated by fireworks at 9pm and midnight. In Cartagena, many restaurants put tables on the streets for large groups to enjoy the evening, while Madrid offers the tradition of eating 12 grapes at midnight and its famous nightlife.
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Well it's from Oct-Dec, because the weather this time is chilled and it's not that cold, the sky stays clear all the time so kanchenjunga is also visible. And if lucky can get snow at the end of December. Considered to also be the season so there might be rush get your bookings done, if not Darjeeling you could go for some better offbeat places near Darjeeling.