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14 cze 2024 · In this article, see how you can infer time zones from international zip codes. Sourcing data, link with geographical matching, known issues.
Here's a list of zip code ranges per state, and a list of states per time zone. You can see the boundaries of zip codes and compare to the timezone map using this link, or Google Earth, to map zips to time zones for the states that are split by a time zone line.
4 kwi 2024 · The example below showing how to query the time zone information using zone name America/Los_Angeles. SELECT `country_code`, `zone_name`, `abbreviation`, `gmt_offset`, `dst` FROM `time_zone` WHERE `time_start` = UNIX_TIMESTAMP(UTC_TIMESTAMP()) AND `zone_name` = 'America/Los_Angeles' ORDER BY `time_start` DESC LIMIT 1;
4 dni temu · ZIP Codes by Area and District codes. The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.
Ask vendors to give you a sample of data in your area (not their standard demo file) and use a free product such as ArcGIS Explorer to verify (you can download a ZIP Code boundaries layer from their web server, ArcGIS Online, for free!)
It contains countries name, time zones, abbreviation, GMT offset, and Daylight Saving Time (DST). The data is available in CSV and SQL format. You can download and implement into your projects for free. API access also available to query time zone information.
Area Codes: Primary area code for each ZIP Code. Time Zones: Standardized based on Coordinated Universal Time (UTC). Time zones range from ‐5 (Eastern Standard Time) to ‐10 (Hawaiian Standard Time). Daylight Saving Time Flag: Indicates if Daylight Savings Time is observed in that ZIP Code.
