Here are some caIendar-styIe rebuses.
The tags are the hint.
$\dfrac{\mathrm{MAY}}{\sf\begin{array}{|c|c|c|c|c|c|c|}\sf Sun& \sf Mon&\sf Tue&\sf Wed&\sf Thu&\sf Fri&\sf Sat\\ \sf {\color{red}{sos}}&2&3&4&5&6&7\\ 8&9&10&11&12&13&14 \\ 15&16&17&18&19&20&21 \\ 22&23&24&25&26&27&28 \\ 29&30&31& & & &\end{array}}$ cryptic-clues
$\dfrac{\mathrm{SEPTEMBER}}{\sf\begin{array}{|c|c|c|c|c|c|c|}\sf Sun& \sf Mon&\sf Tue&\sf Wed&\sf Thu&\sf Fri&\sf Sat\\ Z&Z&Z&Z&Z&Z&Z\\ Z&Z&Z&Z&Z&Z&Z \\ Z&Z&Z&Z&Z&Z&Z \\ Z&Z&Z&Z&Z&Z&Z \\ Z&30& & & & &\end{array}}$ music
$\dfrac{\mathrm{DECEMBER}}{\sf\begin{array}{|c|c|c|c|c|c|c|}\sf Sun& \sf Mon&\sf Tue&\sf Wed&\sf Thu&\sf Fri&\sf Sat\\ 1&2&3&4&5&6&7\\ 8&9&10&11&12&13&14 \\ 15&16&17&18&19&20&21 \\ 22&23&24&{\color{#00ff00}{25}}&26&27&28 \\ 29&30&31& & & &\end{array}}$ seasonal
$\dfrac{\mathrm{JULY}}{\sf\begin{array}{|c|c|c|c|c|c|c|}\sf Sun& \sf Mon&\sf Tue&\sf Wed&\sf Thu&\sf Fri&\sf Sat\\ 1^{\circ}\mathsf{C}&2&3&4&5&6&7\\ 8&9&10&11&12&13&14 \\ 15&16&17&18&19&20&21 \\ 22&23&24&25&26&27&28 \\ 29&30&31& & & &\end{array}}$
$\dfrac{\mathrm{MARCH}}{\sf\begin{array}{|c|c|c|c|c|c|c|}\sf Sun& \sf Mon&\sf Tue&\sf Wed&\sf Thu&\sf Fri&\sf Sat\\ 1&2&3&4&5&6&7\\ 8&9&10&11&12&13& {\color{#ffffff}{14}} \\ 15&16&17&18&19&20&21 \\ 22&23&24&25&26&27&28 \\ 29&30&31& & & &\end{array}}$ cryptic-clues
Suggest some more in comments.
l'm Iearning to use $\mathrm{\LaTeX}$ right now, and l need practice.
The tags below are for all the clues above.
I
instead ofl
? Is that necessary for the puzzle? $\endgroup$