2 sentences

1. 如果您无法改变抵达时间，请在当地时间23：00以前联络酒店。

   rú​guǒ nín wú​fǎ gǎi​biàn dǐ​dá shí​jiān, qǐng zài dāng​dì​shí​jiān23:00 yǐ​qián lián​luò jiǔ​diàn.

   If you cannot change your time of arrival, please contact the hotel before 23:00 local time.

   Source: CCMatrix

2. 如果您想快速调整到另一个时区，请尝试保持清醒，直到当地时间晚上8点。

   rú​guǒ nín xiǎng kuài​sù tiáo​zhěng dào lìng yī​ge shí​qū, qǐng cháng​shì bǎo​chí qīng​xǐng, zhí​dào dāng​dì​shí​jiān wǎn​shang8 diǎn.

   If you want to quickly adjust to another time zone, try to stay awake until 8pm local time.

   Source: CCMatrix