![]() Years represented in this way can range from 1950 to 2049. ![]() The following examples show a variety of format strings for interpreting dates and times: Examples of Date and Time Format Strings You need to analyze your data to determine the appropriate date and time format string to interpret your data. Format strings may also include separators, such as commas, that separate the formats used in the format string. For example, it is common to define a date format string that contains only year, month, and day of month information, without including any information about the time of day.Ī format string can contain time information only, date information only, or a combination of date and time information. However, not every format type needs to be included in a format string. In a single date and time format string, only one format from each format type should be used. Some examples of format types are day of week, month, hour, and second. Each format string consists of a combination of formats from an available format type. Custom date and time formats are not supported when time values are stored in numeric fields.Ī date and time format string contains date and time information in a consistent format. The Convert Temporal Field tool allows you to specify custom date and time formats only when the time values are stored in a string field.When using the Convert Temporal Field tool, the list of standard supported input time formats varies depending on whether the input time values are stored in a string or numeric (short, long, float, or double) field. ![]() For example, when using the Convert Time Field tool to convert a time value of Tuesday, August 20, 2002, stored as a string into a date format, specify the input time format as dddd, MMMM dd, yyyy. However, if you have time values stored in a string field using a custom date and time format, you can create a custom date and time format to interpret your data. Standard formats are supported with the Convert Temporal Field tool. Use this tool to specify a standard or custom time format for interpreting date and time values and converting those into one of the date formats. If you have time values stored in a string or numeric (short, long, float, or double) field, you can convert them into a date field type using the Convert Temporal Field geoprocessing tool. Learn more about best practices for storing temporal data They are moreĮfficient for query performance and support more sophisticatedĭatabase queries than storing time in a numeric or string Specifically designed for storing time and date information. It is recommended that you store the time values of your temporalĭata in one of the dedicated date field types.
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