Ships have stayed in port, public transport in the capital has been disrupted, hospitals have been operating on emergency-only, while public offices and many shops have remained closed.
Several marches have been planned to coincide with the 24-hour stoppage, called by the two largest unions.
Greece is planning 11.5 billion euros of cuts to secure its next batch of bailout aid.
With the country due to run out of money next month, the government feels it has little choice but to implement the cuts which include a drastic reduction in welfare and health spending.