The difference in hours from Coordinated Universal Time (UTC). Positive values are ahead of UTC, negative values are behind.
Some regions observe daylight saving time (DST), which temporarily adjusts the offset by +1 hour during certain periods.
Standard abbreviations like EST (Eastern Standard Time) or CET (Central European Time) are commonly used.
Official timezone identifiers like "America/New_York" or "Europe/London" provide precise timezone definitions.
Use IP2FY's geolocation API to get accurate timezone information for any IP address.