About

Unicode defines exactly 24 clock face emojis covering every 30-minute interval across a 12-hour cycle. The mapping is not alphabetical or sequential in codepoint order. The o'clock faces occupy U+1F550 through U+1F55B, while the thirty-minute faces sit at U+1F55C through U+1F567. Manually selecting the correct glyph for a given time requires either memorization or a lookup table. This tool resolves any arbitrary time t to the nearest 30-minute emoji by computing the rounding threshold at 15 minutes past and before each anchor point.

Misusing clock emojis in scheduling interfaces, chat status indicators, or social media posts risks communicating the wrong time entirely. A 15-minute rounding error can shift the displayed emoji by one full interval. The generator handles edge cases such as midnight/noon ambiguity and the wrap-around from 12:30 back to 1:00. It also produces contiguous sequences for timeline visualizations. Note: emoji rendering varies across platforms. Apple, Google, and Microsoft each render these glyphs with different hand angles and styles.

Formulas

The generator resolves an arbitrary time to a clock emoji index using modular arithmetic. Given input hours h and minutes m, the emoji index i is computed as follows:

h₁₂ = h mod 12

r =

{

0 if m < 151 if 15 ≤ m < 452 if m ≥ 45

i = (h₁₂ × 2 + r) mod 24

When r = 2, the minute value rounds up to the next hour. The index i maps into the ordered emoji array where even indices represent o'clock faces and odd indices represent thirty-minute faces. The o'clock emojis start at codepoint U+1F550 (1:00) and the half-hour emojis start at U+1F55C (1:30). For sequence generation over a range [t_start, t_end], the tool iterates in 30-minute steps and collects each resolved emoji.

Where h = input hour (0 - 23), m = input minutes (0 - 59), h₁₂ = hour in 12-hour format, r = rounding bucket, i = emoji array index.

Reference Data

Emoji	Time	Unicode	Codepoint	CLDR Name
🕐	1:00	U+1F550	128336	one o'clock
🕜	1:30	U+1F55C	128348	one-thirty
🕑	2:00	U+1F551	128337	two o'clock
🕝	2:30	U+1F55D	128349	two-thirty
🕒	3:00	U+1F552	128338	three o'clock
🕞	3:30	U+1F55E	128350	three-thirty
🕓	4:00	U+1F553	128339	four o'clock
🕟	4:30	U+1F55F	128351	four-thirty
🕔	5:00	U+1F554	128340	five o'clock
🕠	5:30	U+1F560	128352	five-thirty
🕕	6:00	U+1F555	128341	six o'clock
🕡	6:30	U+1F561	128353	six-thirty
🕖	7:00	U+1F556	128342	seven o'clock
🕢	7:30	U+1F562	128354	seven-thirty
🕗	8:00	U+1F557	128343	eight o'clock
🕣	8:30	U+1F563	128355	eight-thirty
🕘	9:00	U+1F558	128344	nine o'clock
🕤	9:30	U+1F564	128356	nine-thirty
🕙	10:00	U+1F559	128345	ten o'clock
🕥	10:30	U+1F565	128357	ten-thirty
🕚	11:00	U+1F55A	128346	eleven o'clock
🕦	11:30	U+1F566	128358	eleven-thirty
🕛	12:00	U+1F55B	128347	twelve o'clock
🕧	12:30	U+1F567	128359	twelve-thirty

Frequently Asked Questions

The Unicode Consortium defined clock face emojis at 30-minute resolution across a 12-hour dial, yielding exactly 24 glyphs (12 o'clock + 12 half-hour). Finer granularity would require 720 emojis for 1-minute precision, which exceeds practical glyph set limits. The generator rounds any input time to the nearest 30-minute anchor using a ±15-minute threshold.

The rounding uses three buckets. Minutes 0-14 map to the current hour's o'clock emoji. Minutes 15-44 map to the current hour's thirty-minute emoji. Minutes 45-59 round up to the next hour's o'clock emoji. So 12:45 produces 🕐 (1:00) and 12:14 produces 🕛 (12:00). The wrap-around from hour 12 to hour 1 is handled by the modulo-24 index calculation.

No. Apple, Google, Microsoft, Samsung, and other vendors each maintain independent emoji art. The hand angles, face colors, frame styles, and even the presence of second hands differ. Apple uses a white face with thin hands, while Google uses a rounded design with thicker hands. The underlying Unicode codepoint is identical, but visual appearance is platform-dependent.

Yes. All modern browsers support UTF-8 natively. You can paste clock emojis directly into HTML source. Alternatively, use HTML numeric character references: 🕐 for 🕐 (U+1F550). No JavaScript or special font loading is required. Ensure your document declares <meta charset="UTF-8">.

It does not skip emojis. If your start and end times fall within the same 30-minute interval, only one emoji appears. If the range spans fewer than 30 minutes total, the sequence will contain just one or two entries. Each step in the sequence advances exactly 30 minutes, matching the resolution of the Unicode clock emoji set.

The first range (U+1F550 to U+1F55B) contains the 12 o'clock emojis from 1:00 through 12:00. The second range (U+1F55C to U+1F567) contains the 12 half-hour emojis from 1:30 through 12:30. They were added in Unicode 6.0 (2010) and Unicode 6.1 (2012) respectively.