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MinDate[{date1,date2,…}]

gives the earliest date of the datei.

MinDate[interval]

gives the beginning of the date interval interval.

MinDate[interval,gran]

gives the beginning of interval as specified by granularity gran.

Details
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Basic Examples  
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MinDate

MinDate[{date1,date2,…}]

gives the earliest date of the datei.

MinDate[interval]

gives the beginning of the date interval interval.

MinDate[interval,gran]

gives the beginning of interval as specified by granularity gran.

Details

Examples

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Basic Examples  (4)

Find the first date in a list of date objects:

Wolfram Language code: MinDate[{DateObject[{2022, 4, 8}, "Day"], DateObject[{2022, 4, 9}, "Day"], DateObject[{2022, 4, 7}, "Day"]}]

Find the first date in a list of dates in different forms:

Wolfram Language code: MinDate[{DateObject[{2020}], "1950 Jan 4th", 3867285330, {2022, 1, 1}}]

Find the first instant within the interval representing September:

Wolfram Language code: MinDate[DateInterval[DateObject[{2025, 9}, "Month"]]]

Find the first day in a given quarter:

Wolfram Language code: MinDate[DateInterval[DateObject[{2025, 7}, "Quarter"]], "Day"]

Scope  (2)

Find the first timestamp of a TimeSeries object:

Wolfram Language code: ts = EarthquakeData[All, 8, {{2017, 1, 1}, {2021, 5, 16}}, "Magnitude"]
Wolfram Language code: MinDate[ts]

Find the first timestamp of a Databin object:

Wolfram Language code: bin = Databin["1qGFQ8v"]
Wolfram Language code: MinDate[bin]

Properties & Relations  (2)

MinDate[data] is equivalent to the first element of DateBounds[data]:

Wolfram Language code: dates = {DateObject[{2022, 4, 8}, "Day"], DateObject[{2022, 4, 9}, "Day"], DateObject[{2022, 4, 7}, "Day"]};
Wolfram Language code: MinDate[dates]
Wolfram Language code: DateBounds[dates]

MinDate[data] returns the earliest date in data and MaxDate[data] returns the latest date:

Wolfram Language code: dates = {DateObject[{2022, 4, 8}, "Day"], DateObject[{2022, 4, 9}, "Day"], DateObject[{2022, 4, 7}, "Day"]};
Wolfram Language code: MinDate[dates]
Wolfram Language code: MaxDate[dates]
Wolfram Research (2020), MinDate, Wolfram Language function, https://reference.wolfram.com/language/ref/MinDate.html.

Text

Wolfram Research (2020), MinDate, Wolfram Language function, https://reference.wolfram.com/language/ref/MinDate.html.

CMS

Wolfram Language. 2020. "MinDate." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/MinDate.html.

APA

Wolfram Language. (2020). MinDate. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/MinDate.html

BibTeX

@misc{reference.wolfram_2026_mindate, author="Wolfram Research", title="{MinDate}", year="2020", howpublished="\url{https://reference.wolfram.com/language/ref/MinDate.html}", note=[Accessed: 13-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_mindate, organization={Wolfram Research}, title={MinDate}, year={2020}, url={https://reference.wolfram.com/language/ref/MinDate.html}, note=[Accessed: 13-June-2026]}