<p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">为啥有的春节没有腊月三十，而是腊月二十九过除夕？这谁说了算的？</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">为啥农历和公历总是对不上？</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">阴历生日和阳历生日哪个更准？</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">这些话题总是出现在我家的桌上，不知道有没有让你感到过困惑，我也搜过一些短视频来讲这件事，每次都发现，看完还是没彻底搞明白。今儿我想把农历和公历的事，在时间这个尺度上彻底聊明白，看这个进度条你就知道，这事儿还真不是三言两语能说清楚的。</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">在这一趟把东西方历法搞清楚的旅途上，咱们还会有不少别的收获，比如：</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">人站在地球上，只能看到太阳东升西沉，看不见地球绕太阳一周，那是怎么算出来一年有365天的？</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">再比如，农历听着好像挺落后，你可能不知道其实它是全世界最精密的天文和数学系统。</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">再比如，你知道除了闰年、闰月，还有闰秒吗？我们已经亲历过27次闰秒了。</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica,Arial,sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">这一趟我的收获不少，很想分享给你。</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">图1：月亮周期变化的原理</p><img data-key="0" src="http://imagev2.xmcdn.com/storages/12ab-audiofreehighqps/89/66/GAqhVp8NaKPNAAJXOQRsE5-g.jpeg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" alt="" data-origin="http://imagev2.xmcdn.com/storages/12ab-audiofreehighqps/89/66/GAqhVp8NaKPNAAJXOQRsE5-g.jpeg?op_type=0" data-large="http://imagev2.xmcdn.com/storages/12ab-audiofreehighqps/89/66/GAqhVp8NaKPNAAJXOQRsE5-g.jpeg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" data-large-width="750" data-large-height="398.8235294117647" data-preview="http://imagev2.xmcdn.com/storages/12ab-audiofreehighqps/89/66/GAqhVp8NaKPNAAJXOQRsE5-g.jpeg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_small" data-preview-width="140" data-preview-height="74.4470588235294"><span><br></span>图2：一年四季变化的原理<p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal"><img data-key="1" src="http://imagev2.xmcdn.com/storages/0d10-audiofreehighqps/42/11/GKwRIW4NaKPqAA_hHwRsE6km.jpg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" alt="" data-origin="http://imagev2.xmcdn.com/storages/0d10-audiofreehighqps/42/11/GKwRIW4NaKPqAA_hHwRsE6km.jpg?op_type=0" data-large="http://imagev2.xmcdn.com/storages/0d10-audiofreehighqps/42/11/GKwRIW4NaKPqAA_hHwRsE6km.jpg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" data-large-width="750" data-large-height="484.8538845331433" data-preview="http://imagev2.xmcdn.com/storages/0d10-audiofreehighqps/42/11/GKwRIW4NaKPqAA_hHwRsE6km.jpg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_small" data-preview-width="140" data-preview-height="90.50605844618674"><br></p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal">图3：北半球夏天的示意图</p><p style="color:#333333;font-weight:normal;font-size:16px;line-height:30px;font-family:Helvetica, Arial, sans-serif;hyphens:auto;text-align:justify;" data-flag="normal"><img data-key="2" src="http://imagev2.xmcdn.com/storages/cb5e-audiofreehighqps/1D/AE/GKwRIDoNaKP8AAIbrwRsE65U.jpg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" alt="" data-origin="http://imagev2.xmcdn.com/storages/cb5e-audiofreehighqps/1D/AE/GKwRIDoNaKP8AAIbrwRsE65U.jpg?op_type=0" data-large="http://imagev2.xmcdn.com/storages/cb5e-audiofreehighqps/1D/AE/GKwRIDoNaKP8AAIbrwRsE65U.jpg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_large" data-large-width="750" data-large-height="423.48754448398574" data-preview="http://imagev2.xmcdn.com/storages/cb5e-audiofreehighqps/1D/AE/GKwRIDoNaKP8AAIbrwRsE65U.jpg!op_type=4&amp;device_type=ios&amp;upload_type=attachment&amp;name=mobile_small" data-preview-width="140" data-preview-height="79.05100830367734"><br></p>