Time difference
San Juan to Sydney Time Difference
Sydney is 15 hours ahead of San Juan — when it's 12:00 PM in San Juan, it's 3:00 AM the next day in Sydney. (San Juan (America/Puerto_Rico, AST); Sydney (Australia/Sydney, AEDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Sydney is 15 hours ahead of San Juan. Standard 9 AM–5 PM business hours in San Juan and Sydney do not overlap, so a live call needs one side outside normal hours. Clocks change on April 4, 2027, which briefly shifts the gap between San Juan and Sydney — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in San Juan, it's 12:00 AM the next day in Sydney.
- When it's 9:00 AM in Sydney, it's 6:00 PM the previous day in San Juan.
Sydney is currently 15 hours ahead of San Juan.
Interactive converter
12:00PM
Select both cities to see the converted time.
Best times to meet
Standard 9 AM – 5 PM hours in San Juan and Sydney do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in San Juan, or a 6–8 PM meeting in Sydney.
Quick conversion table
| San Juan | Sydney |
|---|---|
| 12 AM | 3:00 PM |
| 1 AM | 4:00 PM |
| 2 AM | 5:00 PM |
| 3 AM | 6:00 PM |
| 4 AM | 7:00 PM |
| 5 AM | 8:00 PM |
| 6 AM | 9:00 PM |
| 7 AM | 10:00 PM |
| 8 AM | 11:00 PM |
| 9 AM | 12:00 AM (next day) |
| 10 AM | 1:00 AM (next day) |
| 11 AM | 2:00 AM (next day) |
| 12 PM | 3:00 AM (next day) |
| 1 PM | 4:00 AM (next day) |
| 2 PM | 5:00 AM (next day) |
| 3 PM | 6:00 AM (next day) |
| 4 PM | 7:00 AM (next day) |
| 5 PM | 8:00 AM (next day) |
| 6 PM | 9:00 AM (next day) |
| 7 PM | 10:00 AM (next day) |
| 8 PM | 11:00 AM (next day) |
| 9 PM | 12:00 PM (next day) |
| 10 PM | 1:00 PM (next day) |
| 11 PM | 2:00 PM (next day) |
Daylight saving
On April 4, 2027, Sydney shifts for daylight saving. After that, Sydney will be 14 hours ahead of San Juan (currently 15 hours ahead of San Juan). The converter and the tables above always reflect the correct offset for the date you pick.
- San Juan does not observe daylight saving time.
- Sydney is currently observing daylight saving time.
Frequently asked questions
- Is Sydney ahead of or behind San Juan?
- Sydney is 15 hours ahead of San Juan.
- How many hours ahead of San Juan is Sydney?
- Sydney is 15 hours ahead of San Juan.
- What time is 9 AM in San Juan in Sydney?
- 9:00 AM in San Juan is 12:00 AM the next day in Sydney.
- What time is noon in San Juan in Sydney?
- 12:00 PM in San Juan is 3:00 AM the next day in Sydney.
- What time is 5 PM in San Juan in Sydney?
- 5:00 PM in San Juan is 8:00 AM the next day in Sydney. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in San Juan in Sydney?
- 3:00 PM in San Juan is 6:00 AM the next day in Sydney.
- Is San Juan currently observing daylight saving time?
- San Juan does not observe daylight saving time — its UTC offset stays the same all year.
- Is Sydney currently observing daylight saving time?
- Sydney is currently observing daylight saving time (summer time).
- Do San Juan and Sydney observe daylight saving?
- On April 4, 2027, Sydney shifts for daylight saving. After that, Sydney will be 14 hours ahead of San Juan (currently 15 hours ahead of San Juan). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Sydney from San Juan?
- San Juan and Sydney business hours don't overlap. The closest options are early mornings in San Juan or late evenings, when one side stretches outside 9–5.
- When is the best time to call San Juan from Sydney?
- Sydney and San Juan business hours don't overlap. The closest options are early mornings in Sydney or late evenings, when one side stretches outside 9–5.
- San Juan (AST) to Sydney (AEDT) — how do I convert quickly?
- Add 15 hours to San Juan local time to get Sydney local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- New York to San Juan
- London to San Juan
- San Juan to Tokyo
- Dubai to San Juan
- San Juan to Singapore
- Los Angeles to San Juan
- Paris to San Juan
- Mumbai to San Juan
- Hong Kong to San Juan
- San Francisco to San Juan