geoip_time_zone_by_country_and_region
PECL geoip >= 1.0.4
geoip_time_zone_by_country_and_region - Returns the time zone for some country and region code combo
Example #1 A geoip_time_zone_by_country_and_region example using region code for US/Canada
Result: Time zone for CA/QC is: America/Montreal
Example #2 A geoip_time_zone_by_country_and_region example using FIPS codes
Result: Time zone for JP/01 is: Asia/Tokyo