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Aim: To determine if the timing of manuscript submissions to The Journal of Paediatrics and Child Health (JPCH) changed following the onset of the COVID‐19 pandemic and to determine if the timing of manuscript submissions influenced editorial decisions. Methods: A retrospective observational study of submissions to JPCH from 1 January 2015 to 1 August 2022 was performed. Regression models were used to explore the change over time. Editorial decisions were examined using a multinomial regression model with the three‐category ordinal outcome of reject, revise and accept. All statistical models were fitted using a Bayesian approach and show 95% credible intervals (CI). Results: The analyses included 11 499 manuscript submissions between 2015 and 2022. The mean number of manuscript submissions increased by 17 papers per month (CI 15–19), with a larger 4‐month long increase after the COVID‐19 pandemic was declared of 86 submissions per month (CI 67–103). There was no clear effect of the pandemic on weekend submissions, mean difference in probability 0.003 (CI –0.021 to 0.026). Throughout the study period, the peak submission time was later in the day and was shifted +37 min later post‐March 2020 (CI +22 to +52 min). Throughout the study period, submissions out‐of‐hours and on weekends were less likely to get an editorial decision of 'accept' or 'revise': odds ratio weekend versus weekday 0.87 (CI 0.78–0.97). Conclusion: The COVID‐19 pandemic had a limited effect on the timing of manuscript submissions to JPCH. However, the timing of manuscript submission impacted the likelihood of a more positive editorial decision. While the time of manuscript submission is only one part of the research process, it is postulated that it may be associated with research quality. [ABSTRACT FROM AUTHOR]