
与原子钟同步的精确时间(IANA + NTP)
Saturday, June 27, 2026
Costa Rica · America/Costa_Rica · CST
San José 比 Sydney 晚 16 小时

与原子钟同步的精确时间(IANA + NTP)
Saturday, June 27, 2026
Costa Rica · America/Costa_Rica · CST

与原子钟同步的精确时间(IANA + NTP)
Sunday, June 28, 2026
Australia · Australia/Sydney · GMT+10
If you are scheduling a call between San José and Sydney, there is very limited or no overlap in normal business hours. Consider early-morning or late-evening calls for one side, or use async communication.
San José and Sydney have a comfortable window for a family call — no awkward alarms required. San José is 16 hours behind Sydney, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in San José — that lands at 10 am to 2 pm in Sydney, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.
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