diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28c4229..36b5367 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@
 
 -   🎁 Keeping time intact while importing from `main.mcf` or METAR info
 -   🎁 Added ICAO flight settings
-
+-   🎁 Improved date parameter in URL
 
 ## 1.7.1
 
diff --git a/src/WettergeraetDesktop/Frame.cpp b/src/WettergeraetDesktop/Frame.cpp
index 47436d7..1403413 100644
--- a/src/WettergeraetDesktop/Frame.cpp
+++ b/src/WettergeraetDesktop/Frame.cpp
@@ -282,26 +282,29 @@ wxString Frame::getIcaoFromInput()
 
 // --------------------------------------------------------------------------------------
 
-void Frame::fromObjectToInput()
+void Frame::fromObjectToInput(bool ignoreDate = false)
 {
 	this->icaoInput->SetValue(wxString(this->aerofly.nearestAirport));
 
-	// Discard date from Aerofly date, instead set it to today...
-	this->utcDateValue = wxDateTime::Now().MakeUTC();
+	if (!ignoreDate) {
+		// Discard date from Aerofly date, instead set it to today...
+		this->utcDateValue = wxDateTime::Now().MakeUTC();
 
-	// ...but keep the time
-	auto hour = floor(this->aerofly.hours);
-	this->utcDateValue.SetHour(hour);
-	this->utcDateValue.SetMinute(round((this->aerofly.hours - hour) * 60));
-	this->utcDateValue.SetSecond(0);
+		// ...but keep the time
+		auto hour = floor(this->aerofly.hours);
+		this->utcDateValue.SetHour(hour);
+		this->utcDateValue.SetMinute(round((this->aerofly.hours - hour) * 60));
+		this->utcDateValue.SetSecond(0);
 
-	if (this->utcDateValue.IsLaterThan(wxDateTime::Now().MakeUTC())) {
-		// Substract one day if current datetime is in future
-		this->utcDateValue = this->utcDateValue.Subtract(wxDateSpan::Day());
+		if (this->utcDateValue.IsLaterThan(wxDateTime::Now().MakeUTC())) {
+			// Substract one day if current datetime is in future
+			this->utcDateValue = this->utcDateValue.Subtract(wxDateSpan::Day());
+		}
+
+		this->utcTimeInput->SetValue(this->utcDateValue);
+		this->utcDateInput->SetValue(this->utcDateValue);
 	}
 
-	this->utcTimeInput->SetValue(this->utcDateValue);
-	this->utcDateInput->SetValue(this->utcDateValue);
 
 	this->windDirectionInput->SetValue(this->aerofly.windDirection);
 	this->windStrengthInput->SetValue(ceil(this->aerofly.getWindKts()));
@@ -446,19 +449,17 @@ void Frame::actionFetch(wxCommandEvent& WXUNUSED(event))
 		return;
 	}
 
-	auto date = this->utcDateInput->GetValue();
-	auto year = date.GetYear();
-	auto month = date.GetMonth() + 1;
-	auto day = date.GetDay();
-
-	auto time = this->utcTimeInput->GetValue();
-	auto hour = time.GetHour();
-	auto minute = time.GetMinute();
+	auto date = this->utcDateInput->GetValue().FormatISODate().mb_str().data();
+	auto time = this->utcTimeInput->GetValue().FormatISOTime().mb_str().data();
 
-	// yyyymmdd_hhmmZ
 	// yyyy-mm-ddThh:mm:ssZ
 	char searchDate[25];
-	sprintf(searchDate, "%04d%02d%02d_%02d%02dZ", year, month, day, hour, minute);
+	sprintf(
+		searchDate,
+		"%sT%sZ",
+		date,
+		time
+	);
 
 	this->metarInput->SetValue("Loading...");
 	FetchUrl urlFetcher;
@@ -482,7 +483,7 @@ void Frame::actionParse(wxCommandEvent& WXUNUSED(event))
 	}
 	try {
 		this->aerofly.setFromMetarString(metarInput);
-		this->fromObjectToInput();
+		this->fromObjectToInput(true);
 	}
 	catch (std::invalid_argument& e) {
 		wxLogError(e.what());
diff --git a/src/WettergeraetDesktop/Frame.h b/src/WettergeraetDesktop/Frame.h
index 73c4ad5..60c389f 100644
--- a/src/WettergeraetDesktop/Frame.h
+++ b/src/WettergeraetDesktop/Frame.h
@@ -70,7 +70,7 @@ class Frame : public wxFrame
 	virtual wxString getIcaoFromInput();
 
 	// Copy state of objects to form
-	virtual void fromObjectToInput();
+	virtual void fromObjectToInput(bool ignoreDate);
 
 	// Copy state of form to objects
 	virtual void fromInputToObject();
diff --git a/src/WettergeraetLib/FetchUrl.cpp b/src/WettergeraetLib/FetchUrl.cpp
index 387a85d..a0ba29e 100644
--- a/src/WettergeraetLib/FetchUrl.cpp
+++ b/src/WettergeraetLib/FetchUrl.cpp
@@ -129,6 +129,11 @@ std::string FetchUrl::fetch(std::string url, std::string icaoCode, std::string d
 		std::regex("[^a-zA-z0-9]"),
 		""
 	);
+	date = std::regex_replace(
+		date,
+		std::regex(":"),
+		std::string("%3A")
+	);
 	if (lowercase) {
 		transform(icaoCode.begin(), icaoCode.end(), icaoCode.begin(), ::tolower);
 	}