[Samsung Galaxy Gear] OpenMind_NL:
This is what I figured out about the alpha-numeric items

The "clockTexts" area contains all alpha-numeric items.

Possible alpha-numeric items are "DIGITAL_ITEM", "DATE_ITEM", "WORLD_CLOCK_ITEM"

Each items contains one or more PARTs.

DIGITAL_ITEM and WORLD_CLOCK_ITEM can not be used when "themeType":"ANALOG" (at the end of theme.json).

For DIGITAL_ITEM:

- HOUR_PART

- MIN_PART

- SEC_PART

- YEAR_PART

- MONTH_PART

- DAY_PART

- AMPM_PRAT (Yes... PRAT. Wrong spelling but used for AM/PM indicator)

For DATE_ITEM:

- YEAR_PART

- MONTH_PART

- DAY_PART

Edit: [MENTION=5650321]Mowimux[/MENTION] corrected my observations.

It seems like DATE_ITEM also supports:

- HOUR_PART

- MIN_PART

- SEC_PART

For WORLD_CLOCK_ITEM:

- HOUR_PART

- MIN_PART

- SEC_PART

- YEAR_PART

- MONTH_PART

- DAY_PART

- AMPM_PRAT

Each PART can show time and/or date information.

So even when the DIGITAL_ITEM can not be used in an analog clock, you can use the DATE_ITEM to show digital time... or whatever time/date info.

The time and date information is formatted with the "textFormat" parameter in each PART.

This is what I found out about the contents for the textFormat parameter: ... I tried and checked what happened.

All strings that are indicated as "Not used" will make Gear hang during theme upload. Just upload a correct theme to get to normal again.

Time and Date format strings:

A / a:

Halfday (AM or PM)

B / b: Not used

C: Not used

c, cc or ccc:

Day of the week, written. Abbreviated.

cccc:

Day of the week, written. Full.

D, DD or DDD:

Day number in a year. 1 to 366. DD adds a leading 0 to day numbers below 10. DDD adds leading 0's to day numbers below 10 and below 100.

d or dd:

Date. dd adds a leading 0 for dates below 10.

E, EE or EEE:

Day of the week, written. Abbreviated.

EEEE:

Day of the week, written. Full.

e: Not used

F: ?

f: Not used

G: Era (Output = AD)

g: Not used

H:

Hours. 0...23. HH adds a leading 0 for hours below 10.

h:

Hours. 1...12. hh adds a leading 0 for hours below 10.

I / i: Not used

J / j: Not used

K: Hours: 0...11. KK adds a leading 0 for hours below 10.

k: Hours: 1...24. kk adds a leading 0 for hours below 10.

L: Week number in a month (?)

l: Not used

M:

Month in numbers. MM adds a leading 0 for months below 10.

MMM:

Month written. Abbreviated.

MMMM:

Month written. Full.

m:

Minutes. mm adds a leading 0 for minutes below 10.

N / n: Not used

O / o: Not used

P / p: Not used

Q / q: Not used

R / r: Not used

S:

milliseconds (Updates only once every second)

s:

Seconds. ss adds a leading 0 for seconds below 10.

T / t: Not used

U / u: Not used

V / v: Not used

W: (upper case)

Week number in a month, 1...5, (Week from sunday-saturday)

w: (lower case)

Week number in a year. 1...53

Note that the week number is calculated with first week of the year which is 1.

The first week of the year is the first week which contains a Thursday.

Thus, the first week of the year 1994 is not the week containing the 1st of January but rather the week 03/01-09/01/1994.

Year 2004 is an example of a year that has 53 ISO8601 weeks since it contains both the week containing 1st of January and the week containing 31st of December.

X / x: Not used

Y: Not used

y or yyyy:

Year. 4 numbers.

yy:

Year. Last 2 numbers

Z:

Time zone offset

z:

Time zone written. Abbreviated.

zzzz:

Time zone written. Full.

'Text':

Text ... Disturbing: All text is converted to upper-case.

I guess this all might be usefull information for those people who are designing customized Watch Styler clocks. :)