India, July 16 -- The decades-old ritual of "springing forward" and "falling back" may soon become a relic of the past. On Tuesday, the US House of Representatives voted 308-117 to pass the Sunshine Protection Act, a high-profile legislative effort to make daylight saving time (DST) permanent across the United States.

While the bill still requires approval from the US Senate and a signature from US President Trump, who has expressed his support for the measure, the vote signals a significant shift in North American timekeeping policy.

For Canada, the US move creates a complex dilemma. Because the two nations share deeply integrated supply chains, transportation networks, and communication systems, Canada has historically synchronised it...