“6：30”用英语可以如下表示：
1、six thirty
2、half past six
双语例句：
six thirty
1、Traffic was already very congested by six thirty this morning, particularly on the M1 northbound.
今早6点30分时道路已经拥塞严重，尤其是M1号高速公路北行方向。
2、His plane lands at six thirty, god willing.
如果一切顺利的话，他乘坐的飞机将于6：30降落。
3、We're late. Robbie's cooking tonight, and dinner's at six thirty.
我们迟了.今晚Robbie做饭晚餐六点半开始。
4、I usually get up at about six thirty every morning.
每天早上我通常六点半左右起床。
5、On Saturday morning I got up at six thirty and went to school with a bucket.
上星期六（第二天）早上六点半我就起床了。
half past six
1、He woke up at half past six this morning.
他今天早上六点半就醒来了。
2、I have breakfast at half past six every day.
我每天六点半吃早饭。
3、It reached half past six in the evening.
到了晚上快六点半了，一切进展顺利。
4、We waited till half past six for you.
我们等你等到六点半。
5、I usually get up at six in the morning, but sometimes I get up at half past six.
我通常在早上六点钟起床，但有时候在六点半起床。