h><th style="min-width:60px">四月</th><th style="min-width:60px">五月</th><th style="min-width:60px">六月</th><th style="min-width:60px">七月</th><th style="min-width:60px">八月</th><th style="min-width:60px">九月</th><th style="min-width:60px">十月</th><th style="min-width:60px">十一月</th><th style="min-width:60px">十二月</th><th style="min-width:60px">閏月</th></tr><tr><td rowspan="2">280</td><td>晋武帝咸寧六年/太康元年</td><td>02-18<br>己丑</td><td>03-18<br>戊午</td>