 
 <prompt> Modern operating systems no dey worry about wetin wen dem dey fly across the country? Given di last question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Some applications dey use UTC to avoid wahala wey fit happen with clock shifts and time zone differences. Likewise, most modern operating systems dey handle and store all times as UTC and dem only convert am to local time for display. 