After midday generally refers to the time period between 12 pm and 6 pm. However, there are various synonyms that can be used instead of "after midday". The most common synonym is "afternoon", which is the time period between 12 pm and 6 pm. Other synonyms include "post meridiem", "mid-afternoon" or "late afternoon". "Post-lunch" also describes the period after midday, suggesting that people have eaten lunch and are now getting back to work. Other synonyms that describe this period of the day include "after-lunch", "post-break", or "second half of the day". Ultimately, these synonyms can be used interchangeably to convey the same meaning as "after midday".