Lists of time zones

International:
 * List of time zones by country – sorted by number of current time zones in the world
 * List of UTC offsets – current UTC offsets
 * List of time zone abbreviations – abbreviations
 * List of tz database time zones – zones used by many computer systems as defined by IANA
 * List of military time zones

Country-specific:
 * List of time zones by U.S. state