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This commit is contained in:
J. Nick Koston
2026-01-15 13:52:54 -10:00
parent a5267e6bfe
commit 9ee808e917
1 changed files with 2 additions and 2 deletions
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esphome/components/time/real_time_clock.cpp
+2 -2
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@@ -33,10 +33,10 @@ void RealTimeClock::synchronize_epoch_(uint32_t epoch) {
ESP_LOGVV(TAG, "Got epoch %" PRIu32, epoch);
// Skip if time is already synchronized to avoid unnecessary writes, log spam,
// and prevent clock jumping backwards due to network latency
constexpr time_t MIN_VALID_EPOCH = 1546300800; // January 1, 2019
constexpr time_t min_valid_epoch = 1546300800; // January 1, 2019
time_t current_time = this->timestamp_now();
// Check if time is valid (year >= 2019) before comparing
if (current_time >= MIN_VALID_EPOCH) {
if (current_time >= min_valid_epoch) {
// Unsigned subtraction handles wraparound correctly, then cast to signed
int32_t diff = static_cast<int32_t>(epoch - static_cast<uint32_t>(current_time));
if (diff >= -1 && diff <= 1) {