timezonedb将gmt_offset转换为+5:30格式？

Question

这是我的链接：

http://timezonedb.com/download

 timezone.csv
 Fields: "zone_id","abbreviation","time_start","gmt_offset","dst"


"370","CDT","-273686400","-18000","1"    
"370","EST","-266432400","-18000","0"
"370","EDT","-52938000","-14400","1"    
"370","EST","-37216800","-18000","0"
"370","EDT","-21488400","-14400","1"
"370","EST","-5767200","-18000","0"
"370","EDT","9961200","-14400","1"
"370","EST","25682400","-18000","0"
"370","EDT","41410800","-14400","1"
"370","EST","57736800","-18000","0"

你可以看到，它把时间相关的数据作为一些大数字，我怎么能把它转换成格式“utc + 5:30”小时那样...... 感谢

Answer 1

除以3600（一小时内的秒数）以获得UTC偏移量（小时）