International calling guide
Bulgaria uses EET (UTC+2) in winter and EEST (UTC+3) in summer. Business operates Monday–Friday, 9 AM–5:30 PM in Sofia. Best window: 9–11 AM EET/EEST on a Tuesday or Wednesday.
Bulgaria
+359 · UTC
Local Time Now
--:--:-- AM
See the live time gap between a global reference city and Bulgaria at a glance no calculator needed.
Reference
New Delhi Time Now
--:--:-- AM
Destination
Sofia, Bulgaria Time Now
--:--:-- AM
Bulgaria uses EET/EEST, aligning with Romania, Greece, and the Eastern EU bloc. Business is increasingly international.
Pro tip: Call 9–11 AM EET/EEST on a Tuesday or Wednesday.
Bulgaria follows EU clock changes (last Sunday of March and October), running on EET (UTC+2) in winter and EEST (UTC+3) in summer.
Standard business hours in Sofia run 9 AM–5:30 PM. Tech and IT firms often work flexible or international hours.
Bulgaria observes Orthodox Easter, which may differ by 1–5 weeks from Western Easter. Avoid the Orthodox Holy Week for critical outreach.
Bulgarian Liberation Day (March 3) is a major national holiday. Plan outreach to avoid this date and the surrounding days.
The time differences range from 8 hours ahead of UTC to 5 hours behind UTC, showcasing the diverse time zones across the globe.
UTC
0 hours
UTC
0 hours
UTC
0 hours
UTC
0 hours
The right window doubles your answer rate. The wrong one sends you straight to voicemail.
Avoid
Call on Mar 3 (Liberation Day)
Best Window
Tue–Wed, 9–11 AM EET/EEST
Avoid
Ring at Orthodox Easter (different date)
Best Window
Verify Bulgarian Orthodox calendar
Avoid
Call in August (summer holiday peak)
Best Window
September–July, mid-morning
Avoid
Call after 6 PM (Sofia close)
Best Window
9–11 AM EET/EEST, Tue or Wed
Smart timing isn't just courtesy it directly drives better outcomes for every call you make.
Morning calls (9–11 AM EET/EEST) on Tue–Wed in Sofia double pickup vs. cold Monday dials.
2×
more pickups
Knowing Bulgaria's EET/EEST seasonal offset shows scheduling precision to Bulgarian contacts.
+38%
connect rate
Pre-confirmed mid-morning calls see 4× more engagement than unscheduled attempts in Bulgaria.
4×
engagement
Calling during the Christmas–Orthodox New Year window sends 90% of Bulgaria calls to voicemail.
−90%
voicemail drops
Use these resources to plan every international call with confidence.
Set reminders and plan calls in advance so you never miss the optimal window.
Leverage automated analytics to identify the best call timing for every contact.
Instantly translate your local time to the recipient's timezone before dialling.
Professional outreach with automated scheduling features built into your CRM.
Four simple steps for every international call to Bulgaria dial it right, every time.
Press "+" on mobile or "00" from most landlines. This opens an international line.
Bulgaria's international code. Every call to Bulgaria must start with +359.
Add the local area or mobile network code — always drop any leading zero used for domestic calls.
Dial the remaining subscriber digits. Your number is now correctly formatted for international routing.
Jump to any country's best-time-to-call guide. Click any flag to open the full page.
All countries AZ
Pair perfect timing with carrier-grade routing. TKOS provisions inbound DIDs and outbound termination across 100+ countries on tier-1 interconnects.
Everything you need to know about timing, time zones, and dialing Bulgaria (+359). Still have a question? Our wholesale team is one click away.
Tuesday–Wednesday, 9–11 AM EET/EEST. Bulgaria observes Eastern European Time — EET (UTC+2) in winter, EEST (UTC+3) in summer. Business runs Monday–Friday, 9 AM–6 PM in Sofia. The tech sector may skew to slightly later hours.