The phrase "this moment in time" can be replaced by several synonyms. One can use "current moment," "present time," "nowadays," or "contemporary era" to convey the same meaning. Other alternatives include "the present day," "the here and now," "the immediate present," and "the current situation." One can also use "the present," "here and today," "the current landscape," or "the current state of affairs" to refer to the current moment. Ultimately, the choice of synonym depends on the context and tone of the sentence. However, all these synonyms will help convey the same idea of referring to the current moment in time.