# About system alarms and time tags

The following tag contains the time and date when the status of alarms was last reset. The date uses the long date format.

Tag name | Type | Description
--- | --- | ---
system\AlarmResetDateAndTimeString | String | Read-only. Contains the date and time of the last alarm reset. At run time, date and time information stored in this tag is shown in the language of the run-time Windows operating system and in the format specified by the Regional or Regional and Language options in the Windows Control Panel.

These system tags record time and date information in various formats.

Tag names | Types | Descriptions
--- | --- | ---
system\Date | String | Read-only. System date. At run time, date and time information stored in this tag is shown in the format specified by the Regional or Regional and Language options in the Windows Control Panel.
system\DateAndTimeInteger | Analog | Read-only. Number of seconds elapsed since midnight (00:00:00) January 1, 1970, coordinated universal time (UTC).
system\DateAndTimeString | String | Read-only. Complete date and time display. For example: Monday, December 12 2001 10:47:50 AM.
system\DayOfMonth | Analog | Read-only. Day of the month (1 - 31).
system\DayOfWeek | Analog | Read-only. Day of the week (1-7); Sunday = 1.
system\DayOfYear | Analog | Read-only. Day of the year (1-366).
system\Hour | Analog | Read/write. Hour of the day (0-23).
system\Minute | Analog | Read/write. Minutes (0 - 59).
system\Month | Analog | Read-only. Number for month (1-12).
system\MonthString | String | Read-only. Name of the month. At run time, date and time information stored in this tag is shown in the format specified by the Regional or Regional and Language options in the Windows Control Panel.
system\Second | Analog | Read/write. Seconds (0 - 59).
system\Time | String | Read-only. System time. At run time, date and time information stored in this tag is shown in the format specified by the Regional or Regional and Language options in the Windows Control Panel.
system\Year | Analog | Read-only. The year (1980-2099). At run time, date and time information stored in this tag is shown in the format specified by the Regional or Regional and Language options in the Windows Control Panel.

The changes to Windows regional settings are not reflected in the system\AlarmResetDateAndTimeString, system\Date, system\Time, system\DateAndTimeString, and system\MonthString tags. The format used is defined by the operating system and cannot be changed.

## See also

About system tags

About system graphics and user tags

About HMI tag types