Guadalajara operates on Central Standard Time (CST), which is UTC-6 during winter and Central Daylight Time (CDT), which is UTC-5 during summer. To find the current time in Guadalajara, subtract 6 hours from UTC during winter months and 5 hours during summer months.

Yes, Guadalajara and most of Mexico observe Daylight Saving Time. The clocks go forward 1 hour to Central Daylight Time (CDT, UTC-5) in early April and go back 1 hour to Central Standard Time (CST, UTC-6) in late October.

London (GMT/BST): Guadalajara is 6 hours behind London when the UK is on GMT (winter), and 7 hours behind when the UK is on BST (summer). During Mexico's summer (when CDT is in effect), subtract 1 more hour from the difference.

New York (EST/EDT): Guadalajara is 1 hour behind New York when NY is on EST (winter), and the same time when NY is on EDT (summer). During Mexico's summer (when CDT is in effect), Guadalajara is the same time as NY during EDT.

Tokyo (JST): Guadalajara is 15 hours behind Tokyo, as Japan Standard Time is UTC+9. During Mexico's summer (when CDT is in effect), Guadalajara is 14 hours behind Tokyo.

Mexico's major cities include Mexico City (the capital), Monterrey, Puebla, Tijuana, León, Juárez, and Cancún. Guadalajara is the second-largest city and the capital of Jalisco state.

Guadalajara is known as the birthplace of mariachi music, tequila, and charreada (Mexican rodeo). The city is famous for its historic center, the Hospicio Cabañas (a UNESCO World Heritage Site), vibrant cultural scene, and as a major center for technology and manufacturing. It's also known for its beautiful colonial architecture.