The only difference is in geography, latitude is zero on the equator and becomes something north, something south, depending on how far you go from the equator.

唯一的区别是，在地理上，纬度在赤道是0度，然后由赤道向两极数字递增。

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The geographic use of time began during the British Empire with the world divided by latitude and longitude, with zero degrees longitude running through the observatory at Greenwich, in London.

地理时间的使用始于大英帝国时期，当时用纬线和经线划分世界，零度经线通过伦敦的格林尼治天文台。

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He once walked out the front door of a camp on the equator, and 18 months later, after the circumvolution of the globe at latitude zero on foot, bicycle, canoe and sail, he entered through the back door.

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