Date format and DateTime format in Salesforce

 Hello friends today we will discuss about Data and Date Time format into Salesforce with some sample code 

Date format in Apex

1.Use Date format method

	String dateStr = Date.today().format();
	System.debug('>>>>' + dateStr);
	System.assertEquals(dateStr, '4/24/2015');

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2.Convert to String directly

	Date dToday = Date.today();
	String dateStr = dToday.year() + '/' + dToday.month() + '/' + dToday.day();
	System.debug('>>>>' + dateStr);
	System.assertEquals(dateStr, '2015/4/24');

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3.Convert to DateTime

	Date dToday = Date.today();
	String dateStr = Date.today().format();
	DateTime dt = DateTime.newInstance(dToday.year(), dToday.month(),dToday.day());
	String dateStr = dt.format('yyyy/MM/dd');
	System.debug('>>>>' + dateStr);
	System.assertEquals(dateStr, '2015/04/24');

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DateTime format in Apex

	DateTime dt = DateTime.now();
	String dateTimeStr = dt.format('yyyy/MM/dd hh:mm:ss');
	System.debug('>>>>' + dateTimeStr);

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Date format in VF

	<apex:outputText value="{0,date,yyyy/MM/dd}">
	<apex:param value="{!TODAY()}" />
	</apex:outputText>

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DateTime format in VF

	<apex:outputText value="{0,date,yyyy/MM/dd HH:mm:ss}">
	<apex:param value="{!NOW()}" />
	</apex:outputText>

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Date format in Formula

TEXT(YEAR(TODAY())) + "/" + TEXT(MONTH(TODAY())) + "/" + TEXT(DAY(TODAY()))

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DateTime format in Formula

	TEXT(MONTH(DATEVALUE(NOW())))+"/" +TEXT(DAY(DATEVALUE(NOW())))+"/" +TEXT(YEAR(DATEVALUE(NOW()))) & " " &
	MID(TEXT(NOW()-TZoffset), 12, 2) & ":" &
	MID(TEXT(NOW()-TZoffset), 15, 2) & ":" &
	MID(TEXT(NOW()-TZoffset ), 18, 2)

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