<!DOCTYPE html> <html lang="ja"> <body> <tr><th class="sun">日</th><th class="mon">月</th> <th class="tue">火</th><th class="wed">水</th> <th class="thu">木</th><th class="fri">金</th> <th class="sat">土</th></tr> <tr> <td></td><td>1</td><td>2</td><td>3</td><td>4</td><td>5</td><td>6</td> </tr> <tr> <td>7</td><td>8</td><td>9</td><td>10</td><td>11</td><td>12</td><td>13</td> </tr> <tr> <td></td><td></td><td></td><td></td><td></td><td></td><td></td> </tr> <tr> <td></td><td></td><td></td><td></td><td></td><td></td><td></td> </tr> <tr> <td></td><td></td><td></td><td></td><td></td><td></td><td></td> </tr> </body> </html>