Tinh trạng băng tan ở Greenland và Nam Cực cũng như sự nóng lên toàn cầu, đã làm chậm lại quá trình quay của Trái Đất, từ đó làm hoãn nhu cầu bổ sung giây nhuận âm cho đến ít nhất là năm 2029.
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2025-05-26 06:30:00
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2024-03-29 06:31:00