Time difference between Phnom Penh and St. Louis

Compare the current local time in Phnom Penh and St. Louis, see when your working hours overlap, and convert any specific hour between the two timezones.

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πŸ‡°πŸ‡­ Phnom PenhICT
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πŸ‡ΊπŸ‡Έ St. LouisCST

How do I convert a specific time?

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πŸ‡°πŸ‡­ Phnom Penh πŸ‡ΊπŸ‡Έ St. Louis

What's the working-hours overlap?

When Phnom Penh's 9:00–17:00 business hours overlap with St. Louis's.

Phnom Penh working hours St. Louis working hours Overlap (both working)
πŸ‡°πŸ‡­ Phnom Penh
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πŸ‡ΊπŸ‡Έ St. Louis

How do you schedule across Phnom Penh and St. Louis?

Scheduling between Phnom Penh and St. Louis is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 4 hours between St. Louis closing at 17:00 local and Phnom Penh opening at 09:00 local. Practical bridging slots: an early Phnom Penh start at 05:00 (catching St. Louis just at close, 17:00), or a late St. Louis call at 21:00 (catching Phnom Penh at opening, 09:00).

What's the quick reference?

Common hours in Phnom Penh mapped to St. Louis
πŸ‡°πŸ‡­ Phnom PenhπŸ‡ΊπŸ‡Έ St. LouisIn St. Louis it's…
06:00 β€” Early morningβ€”β€”
09:00 β€” Start of workβ€”β€”
12:00 β€” Lunchtimeβ€”β€”
15:00 β€” Mid-afternoonβ€”β€”
17:00 β€” End of workβ€”β€”
20:00 β€” Eveningβ€”β€”

What's the daylight saving status?

πŸ‡°πŸ‡­ Phnom Penh

Phnom Penh does not observe daylight saving time. The local offset is fixed year-round.

πŸ‡ΊπŸ‡Έ St. Louis

Currently in CDT (daylight saving)
Clocks go back to CST on Sunday 1 November 2026