number dateParse(text, pattern, timeZone, language)
Returns a timestamp in timeZone parsed from text formatted according to pattern in language.
Pattern symbols with special meaning:
| Symbol | Component | Examples | 
|---|---|---|
| G | Era | AD | 
| y | Year | 2014 | 
| M | Month | July; Jul; 07; 7 | 
| w | Week in year | 27 | 
| W | Week in month | 2 | 
| D | Day in year | 189 | 
| d | Day in month (1-31) | 10 | 
| E | Day of week | Tuesday; Tue; T | 
| F | Day of week in month (2nd Wed in July) | 2 | 
| H | Hour in day (0-23) | 0 | 
| k | Hour in day (1-24) | 24 | 
| K | Hour in am/pm (0-11) | 0 | 
| h | Hour in am/pm (1-12) | 12 | 
| a | Am/pm marker | PM | 
| m | Minute in hour | 30 | 
| s | Second in minute | 55 | 
| S | Millisecond | 978 | 
| Z | Time zone offset | -0800 | 
| z | Time zone name | Pacific Standard Time; PST; GMT-08:00 | 
| ' | Avoid interpretation | 'day' d | 
| '' | Single quote | ''o'clock' | 
Note! Use timeZone "UTC" when parsing time only into an timestamp “time of day”, seconds since midnight, value as used by most blocks.
null if parse failed.