Raspberry Pi【6】桌面时间的格式设置
1. 设置方法
Raspberry Pi桌面的右上角，右键选择Digital Clock Settings，在Clock Format输入：%A %d %b, %Y - %T，显示的内容为：Friday 24 Sep, 2021 - 15:00:00。
2. 说明
在终端输入：
man strftime
Digital clock format strings for Week & Day of Week:
- %a – The abbreviated name of the day of the week.
- %A – The full name of the day of the week.
- %u – The day of the week as a decimal, (1 to 7), Monday being 1.
- %w – The day of the week as a decimal (0 to 6), Sunday being 0.
- %U – The week number of current year as a decimal number (00 to 53).
- %V – The ISO 8601-week number.
- %W – The week number of the current year as a decimal number (00 to 53).
- %j – The day of the year as a decimal number (001 to 366).
Digital clock format strings for Day & Month:
- %b – The abbreviated month name.
- %B – The full month name.
- %d – The day of the month as a decimal number (01 to 31).
- %h – Equivalent to %b.
- %m – The month as a decimal number (01 to 12).
- %M – The minute as a decimal number (00 to 59).
Digital clock format strings for Date and Time:
- %c – The preferred date and time representation for the current locale.
- %D – Equivalent to %m/%d/%y. %e – Like %d, the day of the month as a decimal number with leading space.
- %F – Equivalent to %Y-%m-%d (the ISO 8601 date format).
- %x – The preferred date representation without the time.
- %+ – The date and time in date (1) format.
Digital clock format strings for Year:
- %C – The century number (year/100) as a 2-digit integer.
- %G – The ISO 8601 week-based year.
- %g – Like %G, but without century, that is, with a 2-digit year (00–99).
- %y – The year as a decimal number without a century (00 to 99).
- %Y – The year as a decimal number including the century.
Digital clock format strings for Time & Time zone:
- %p – Either “AM” or “PM” according to the given time value.
- %P – Like %p but in lowercase: “am” or “pm”.
- %r – The time in a.m. or p.m. notation.
- %R – The time in 24-hour notation (%H:%M).
- %T – The time in 24-hour notation (%H:%M:%S)
- %H – The hour as a decimal number using a 24-hour clock (00 to 23).
- %I – The hour as a decimal number using a 12-hour clock (01 to 12).
- %k – The hour (24-hour clock) as a decimal number (0 to 23).
- %l – The hour (12-hour clock) as a decimal number (1 to 12).
- %s – The number of seconds since the Epoch, 1970-01-01 00:00:00 +0000.
- %S – The second as a decimal number (00 to 60).
- %X – The preferred time representation without the date.
- %z – The +hhmm or -hhmm numeric time zone (hour & minute offset from UTC).
- %Z – The time zone name or abbreviation.
Special Characters and Modifiers:
- %n – A newline character.
- %t – A tab character.
- %% – A literal ‘%’ character.