Security has been tightened throughout the country with police and military seen patrolling major cities ahead of anticipated demonstrations against the government called to coincide with independence day.
By midday, however, no demonstrations had begun.
Residents in Dar es Salaam, Arusha, Mbeya, Mwanza noted the day began with unusual quietness, with many people choosing to remain indoors amid uncertainty over if the demonstrations would proceed.
The demonstrations were called to demand political reforms in the wake of October's post-election unrest which left an unknown number of people dead.
Officials have conceded using force against protesters, asserting that some groups were attempting to overthrow the regime.
On Tuesday, reporters observed streets that were largely deserted in the business hub, Dar es Salaam. This stood in sharp contrast to the city's usual weekday bustle.
While quiet, a palpable tension filled the air.
Security vehicles were seen driving along major roads and intersections, while officers took up positions at key points, including around important public buildings and facilities.
On social media, activists and campaigners urged followers to remain vigilant, implying that any protest activity would likely commence later in the day. This communication mirrored previous protest calls in Tanzania, when participation grew as the day progressed.
Motorists who ventured out reported regular stops at security checkpoints, where officers questioned drivers about their destinations.
Authorities have not provided specific statements on the increased security or on the scheduled demonstrations.
The government has prohibited the planned protests and called off independence anniversary events, urging citizens to stay indoors.
"An eerie quiet masks the underlying tension felt by those indoors."
The overall situation depicted a country under strain, where the threat of protest led to a preemptive security lockdown that effectively emptied typically busy urban centers.
Elena is a freelance writer and mindfulness coach who loves exploring the power of positive thinking.