How to get current milliseconds in MetaTrader4 Terminal?

Quoted from Forex.com.bd-Editorial External answer — Stack Overflow Stack Exchange Author: user3666197 Source score (net votes, not local likes): 2 Original post: https://stackoverflow.com/a/44137948 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. Can have relative [ms] or even [us]: Be careful as both are relative, but one with respect to the system start, the other with respect to the MQL4 code-execution unit start. The GetTickCount() function returns the number of milliseconds that elapsed since the system start. uint GetTickCount(); Counter is limited by the restrictions of the system timer. Time is stored as an unsigned integer, so it's overfilled every 49.7 days if a computer works uninterruptedly. The GetMicrosecondCount() function returns the number of microseconds that have elapsed since the start of MQL program . ulong GetMicrosecondCount(); Can have absolute [ms] or even [us], with const(!) ABSOLUTE ERROR, that will exhibit neither any drift, nor jitter in exact measuring of time. Isn't this great for FOREX domain, where milliseconds are "full of events" and microseconds ( nanoseconds in recent professional-grade designs ) matter ?! // ----------------------------------------------------------------- ulong system_currenttimemillis(){ return( OnStart_GLOB_MILLISECONDS // ABS [ms] SYNC-ed OnStart() WITH [s]-EDGE-ALIGNMENT + ( GetMicrosecondCount() // + DELTA ------------------ - OnStart_BASE_MICROSECONDS // since SYNC-ing OnStart() ) / 1000 // =================== // DELTA [ms] ============= ); } // ----------------------------------------------------------------- static ulong OnStart_GLOB_MICROSECONDS; static ulong OnStart_GLOB_MILLISECONDS; static ulong OnStart_EoDY_MICROSECONDS; static datetime OnStart_EoDY_DATETIME; static datetime OnStart_BASE_DATETIME; static uint OnStart_BASE_MILLISECONDS; static ulong OnStart_BASE_MICROSECONDS; // ----------------------------------------------------------------- void OnStart(){ /* { SCRIPT | EXPERT ADVISOR | CUSTOM INDICATOR } CALL THIS */ OnStart_BASE_DATETIME = TimeLocal(); // .SET int == the number of seconds elapsed since January 01, 1970. while( OnStart_BASE_DATETIME == TimeLocal() ){ // ---- // EDGE-ALIGNMENT ------------------------------------------------------- OnStart_BASE_MICROSECONDS = GetMicrosecondCount(); // .SET ulong, since MQL4 program launch OnStart_BASE_MILLISECONDS = GetTickCount(); // .SET uint, since system start } // ==[ MAX 1 SECOND ]=============================== NOW // EDGE-ALIGNED TO [s] ================================================== OnStart_BASE_DATETIME = TimeLocal(); // .SET date and time as the number of seconds elapsed since January 01, 1970. OnStart_GLOB_MICROSECONDS = ( (ulong) OnStart_BASE_DATETIME ) * 1000000; OnStart_GLOB_MILLISECONDS = ( (ulong) OnStart_BASE_DATETIME ) * 1000; OnStart_EoDY_DATETIME = OnStart_BASE_DATETIME - ( OnStart_BASE_DATETIME % 86400 ); OnStart_EoDY_MICROSECONDS = ( TimeSecond( OnStart_BASE_DATETIME ) + ( TimeMinute( OnStart_BASE_DATETIME ) + TimeHour( OnStart_BASE_DATETIME ) * 60 ) * 60 ) * 1000000; } // ----------------------------------------------------------------- int OnInit() { OnStart(); /* HACK 4 { EXPERT ADVISOR | CUSTOM INDICATOR } CALL ... THAT */ .. return( INIT_SUCCEEDED ); } // ----------------------------------------------------------------- ulong Get_a_Microsecond_of_a_Day(){ // THIS HAS A !!_CONSTANT_!! ONLY ABSOLUTE SYSTEMATIC TIMING ERROR return( ( OnStart_EoDY_MICROSECONDS // EDGE-SYNC OnStart_EoDY + DELTA-SINCE-OnStart-SYNC-ed: + ( GetMicrosecondCount() // == NOW ( 8B ulong ) ROLL-OVER ~ 213M504 DAYS AFTER THE PROGRAM START, WAY LONGER, THAN WE WILL LIVE UNDER THE SUN - OnStart_BASE_MICROSECONDS // // - OnStart_BASE_MICROSECONDS ) ) // ================== // SECONDS-EDGE-SYNC-ed DISTANCE FROM EoDY-EDGE % 86400000000 // MODULO DAY-LENGTH ROLL-OVER ); // ALL DST-MOVs TAKE PLACE OVER WEEKENDS, SO NOT DURING TRADING-HOURS, SHOULD BE JUST-ENOUGH GOOD SOLUTION :o) } // ----------------------------------------------------------------- uint Get_a_Millisecond_of_a_Day(){ // IMMUNE TO A uint ROLL-OVER ~ 49.7 DAYS return( Get_a_Microsecond_of_a_Day() / 1000 ); } This solution runs in all { Script | Expert Advisor | Custom Indicator }

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