Description
Normalize a numeric offset's colon style.
A fixed UTC offset differs from a named timezone whose rules can vary by date. A zone-like label or signed-zero offset also carries metadata that a numeric minute total alone cannot express.
Normalize a numeric offset's colon style.
When to use this tool
Use UTC Offset Colon Style Normalizer when inspecting a supplied offset or timezone annotation.
How to use the tool and how it works
- Enter offset. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read colon, compact. Use the output convention below.
Normalize a numeric offset's colon style. Accept sign plus two-digit hours/minutes with optional colon, bounded to 23:59; return colon and compact spellings preserving the sign.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| offset | Offset | Required. Text; maximum UTF-16 length 8192. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| colon | Colon | Required. Text; maximum UTF-16 length 8192. |
| compact | Compact | Required. Text; maximum UTF-16 length 8192. |
json
{
"input": {
"offset": "+0230"
},
"output": {
"colon": "+02:30",
"compact": "+0230"
}
}Limitations and assumptions
- This changes presentation only; no offset validity for a location or date is established.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
Alternative or Complementary methods
Use an authoritative timezone database and complete timestamp context to resolve an actual local time or day.
References
Similar or alternative tools
- Date: Utc Offset Minute Component Check
Parse a restricted signed UTC offset token.
- Timezone Offset Sign Hour Minute Pair
Format offset sign, hour and minute components.