Time

Word Action
NOW
The current timestamp, milliseconds since 01 Jan 1970.
FORMAT-TIME
Takes a timestamp, timezone and "pattern". Returns a string which shows the time. The timezone is in minutes.
YMDHM
Takes five numbers which are year, month, day, hour and minute. Returns the timestamp given the values.
YEAR
,
MONTH
,
DAY
,
HOUR
,
SECOND
,
DAY-OF-WEEK
,
JULIAN-DAY
,
WEEK
Use these to extract the relevant portion of the timestamp. Note the answer will be in UTC.

Examples

Example 1
	now hour .
	2
	
Example 2
	now 480 "dd MMM yyyy HH:mm" format-time .
	18 Jan 2017 10:02 ok
	
Example 3
	2017 1 1 0 0 ymdhm .
	1483228800000 ok
	

Quiz

Question 1

Write a word which takes a timezone in hours as an argument and returns current local timestamp.



Question 2

What are the other "pattern" string that can be used in format-time?



Next: Tuples