Optional
dayDay of month 1-31, default 1
Optional
hourHour of day 0-23, default 0
Optional
milliMillisecond 0-999, default 0
Optional
minuteMinute 0-59, default 0
Optional
monthMonth 1-12, default 1
Optional
secondSecond 0-59, default 0
Optional
yearYear, default 1970
Used for methods that take a timestamp as separate year/month/... components