Today is a special day for two reasons:
- My wife's birthday
- Leap second day
A Leap second is one that is added to a day to keep UTC (clock) time synchronized with solar time. As the earth's rotation is slowing these seconds need to be added to keep the two together. Tonight that extra second will be represented by the time 23:59:60.
| June 30 | 23:59:59 |
| 23:59:60 | |
| July 1 | 00:00:00 |
In January IBM announced that they would not be making the Leap second change for you. If you are using the NTP protocol there is nothing you need to do. If you do not then you can change the time tomorrow manually using the system value CHGSYSVAL:
CHGSYSVAL SYSVAL(QTIME) VALUE(XXXXXX) |
For information on this change please read the post: Leap second coming at the end of June, and the IBM announcement here.
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