daylight saving meridian

例句：

1. 1.The daylight saving time is observed from the last Sunday in March to the first Sunday in November.
   日光节约时间从3月底到11月初的周日。
2. 2. During daylight saving time, many countries adjust their clocks forward to make more daylight hours available during the evening.
   在日光节约时间，许多国家调整时钟向前，以便在晚上提供更多的白天时间。
3. 3. The change in daylight saving time can affect the timing of events and travel plans.
   日光节约时间的变动会影响事件和旅行计划的时间安排。