[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Interface Clock (2.0.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.0.0 (latest)](/java/docs/reference/google-http-client/latest/com.google.api.client.util.Clock)\n- [1.47.1](/java/docs/reference/google-http-client/1.47.1/com.google.api.client.util.Clock)\n- [1.46.3](/java/docs/reference/google-http-client/1.46.3/com.google.api.client.util.Clock)\n- [1.45.3](/java/docs/reference/google-http-client/1.45.3/com.google.api.client.util.Clock)\n- [1.44.2](/java/docs/reference/google-http-client/1.44.2/com.google.api.client.util.Clock)\n- [1.43.2](/java/docs/reference/google-http-client/1.43.2/com.google.api.client.util.Clock)\n- [1.42.3](/java/docs/reference/google-http-client/1.42.3/com.google.api.client.util.Clock)\n- [1.41.8](/java/docs/reference/google-http-client/1.41.8/com.google.api.client.util.Clock) \n\n public interface Clock\n\nClock which can be used to get the amount of elapsed milliseconds in system time.\n\nThe default system implementation can be accessed at [#SYSTEM](/java/docs/reference/google-http-client/latest/com.google.api.client.util.Clock#com_google_api_client_util_Clock_SYSTEM). Alternative\nimplementations may be used for testing.\n\nStatic Fields\n-------------\n\n### SYSTEM\n\n public static final Clock SYSTEM\n\nProvides the default System implementation of a Clock by using System#currentTimeMillis().\n\nMethods\n-------\n\n### currentTimeMillis()\n\n public abstract long currentTimeMillis()\n\nReturns the current time in milliseconds since midnight, January 1, 1970 UTC, to match the\nbehavior of System#currentTimeMillis()."]]