Ensenada, Mexico has been added to the World Clock Deluxe cities database. The city of Ensenada in Baja California, located about 70 miles from the Northern Mexican border, has also adopted the United States daylight-saving time rule (second Sunday in March to first Sunday in November).
The offset from UTC of 8 Russian cities has been updated after the Kamchatka, Chukotka, Udmurtia, Samara, and Kemerovo regions in Russia moved to different time zones and Russia reduced the number of its time zones from 11 to 9 on March 28, 2010. Edited cities are:
| Samara Oblast | Samara | from UTC+4 to UTC+3 | ||
| Samara Oblast | Tolyatti | from UTC+4 to UTC+3 | ||
| Udmurt Republic | Izhevsk | from UTC+4 to UTC+3 | ||
| Kemerovo Oblast | Kemerovo | from UTC+7 to UTC+6 | ||
| Kemerovo Oblast | Novokuznetsk | from UTC+7 to UTC+6 | ||
| Chukotka Autonomous Okrug | Anadyr | from UTC+12 to UTC+11 | ||
| Chukotka Autonomous Okrug | Provideniya | from UTC+12 to UTC+11 | ||
| Kamchatka Krai | Petropavlovsk-Kamchatski | from UTC+12 to UTC+11 |
The offset from UTC of the Australian Antarctic stations Casey and Davis has been updated. With winter approaching in the southern hemisphere, Casey switched back to UTC+8, while Davis reverted to UTC+7.
Daylight-saving time information for Bangladesh, Pakistan, Syria, the Gaza Strip, and the West Bank has been updated. Bangladesh and Pakistan decided to cancel daylight-saving time. Syria postponed the start of DST from the last Friday in March to the first Friday in April. Daylight-saving time in the West Bank and in Gaza started on March 26 and 27, respectively and will end on October 4, this year.